pre-millennial - amillennial
pre-tribulation, mid-tribulation, post-tribulation
arminian- calvinist
Sovereignty of God
free will vs bondage of the will
Mans choice or Gods choice
prevenient grace, irresistible grace
compatibilism vs incompatibiism
communion weekly, monthly
worship on Saturdays or Sundays
and the list goes on and on. None of these differences are essential to salvation, salvific.
Where is unity, charity and liberty ?
In Essentials Unity, In Non-Essentials Liberty, In All Things Charity !
All of these are related to doctrinal statements made in the Word of God and ideas about them can be tested sola scriptura.
Jesus said in John 14 "
I am the way the Truth and the Life" -- this is about Truth that God placed in scripture.
Everyone should have some high degree of motivation and interest in "the truth" coming from One who says He IS the "Truth".. ("
Sanctify them in Thy Truth - Thy Word is Truth" John 17:17)
At the end of time those who do not have "a love of the truth" are turned over to "strong delusions" according to
2Thess 2.
8 Then that lawless one will be revealed, whom the Lord will eliminate with the breath of His mouth and bring to an end by the appearance of His coming; 9
that is, the one whose coming is in accord with the activity of Satan, with all power and false signs and wonders, 10 and with all the deception of wickedness for
those who perish, because they did not accept the love of the truth so as to be saved. 11 For this reason God will send upon them a deluding influence so that they will believe what is false, 12 in order that they all may be judged
who did not believe the truth,
1 Tim 4
Now the Spirit expressly says that in latter times some will depart from the faith, giving heed to deceiving spirits and doctrines of demons, 2 speaking lies in hypocrisy, having their own conscience seared with a hot iron,
So it is no wonder some folks have a great degree of interest in finding out exactly what is or is not stated in the Word of God regarding these things.
but to your point - that is no excuse to be mean to someone just because that someone does not view it the same way you do.