There is a wide spectrum of beliefs and practises within protestantism but from what I've seen not so for Catholicism - they have one catechism and one church making for one set of well defined doctrines and practises at an official level.
You are making a standard RC catechism and central magisterium the criteria for what defines what her members believe, which does not equate to the same thing anymore than the Scriptures being the supreme authority means all concur on that.
In both cases their respective sources are subject to varying interpretations, including by the leadership RCs are supposed to follow as docile sheep, but few do. Surveying shows those Rome counts as members disagree with their church more than others, while Rome's leadership interprets herself as meaning these are still members, from Ted Kennedy Caths to SSPX types.
And Scripturally, what one does and effects is the criteria for determining what they believe. (Ja. 2:18) And while the CCC is much smaller and concise than Scripture, many Catholics interpret it differently, even as to whether former RCs a myself can be saved if faithful moral believers who sincerely oppose Rome.
Protestantism cannot claim one set of well defined beliefs and practises at an official level nor at a membership level. Catholics may have difficulty with well defined doctrines and practises at a membership level.
Again, what does this prove/what's the point, unless you define what Protestantism is? You simply cannot compare the tent called Protestantism with one church. Instead, compare what Catholic members profess versus those from a Protestant (defined) denomination. Or one type of Protestants (evangelicals).
Meanwhile, if Rome treats those as members in life and in death who manifestly differ from her doctrines and practices at a membership level, then she is teaching this is acceptable. What you do is always a result of what you truly believe.
Nevertheless at an official level Catholicism is more tolerant of Protestantism than Protestantism at an official level is of Catholicism.
Which only applies to modern ecumenical Catholicism, while if modern Catholicism held to infallible teaching as most plainly manifest, then you could hardly say it was more tolerant at an official level.
Pope Boniface VIII, Unam Sanctam:
“We declare, say, define, and pronounce [ex cathedra] that it is absolutely necessary for the salvation of every human creature to be subject to the Roman Pontiff.”
"If, therefore, the Greeks or others say that they are not committed to Peter and to his successors, they necessarily say that they are not of the sheep of Christ, since the Lord says that there is only one fold and one shepherd (Jn.10:16). Whoever, therefore, resists this authority, resists the command of God Himself." — Pope Boniface VIII, Unam Sanctam (Promulgated November 18, 1302)
http://www.fordham.edu/halsall/source/b8-unam.html
Fifth Lateran Council: Moreover, since
subjection to the Roman pontiff is necessary for salvation for all Christ's faithful, as we are taught by the testimony of both sacred scripture and the holy fathers, and as is declared by the constitution of pope Boniface VIII of happy memory, also our predecessor, which begins Unam sanctam, we therefore...renew and give our approval to that constitution... Fifth Lateran CouncilSession 11, 19 December 1516,
http://www.piar.hu/councils/ecum18.htm
Pope Eugene IV and the Council of Florence: "
The sacrosanct Roman Church...firmly believes, professes, and proclaims that..not only pagans, but also Jews and heretics and schismatics cannot become participants in eternal life but will depart into everlasting fire...unless before the end of life the same have been added to the flock; and that..no one, whatever almsgiving he has practiced, even if he has shed blood for the name of Christ, can be saved, unless he has remained in the bosom and unity of the Catholic Church.” — Pope Eugene IV and the Council of Florence (Seventeenth Ecumenical Council), Cantate Domino, Bull promulgated on February 4, 1441 (Florentine style), [considered infallible by some]
More such RC bombast, versus modern spin.
As for individuals, in the last few years I have seen traditionalists RCs spout things like,
that Protestantism is belief in one's self, and
absolutely alien to Christianity, and that,
Protestants are mostly biblically illiterate,
intellectually dishonest,
evil fruit, who
don't have the Holy Spirit, and
are not part of the Body of Christ, and
who have no foundation for their understanding of Christianity, and
will not be saved unless they becomes a member of the Catholic Church, and
are by inclination vandals who should be eradicated from the face of the earth.
who seem to long for the days and means of the Inquisition.