I agree with post trib. Those verses describe religions who order the congregation not to eat meat, etc as being a sin. When the bible is no longer the final authority on doctrines of sin, salvation, etc, the falling away is already here. In further verses, it states in 1Tim4 that if we remind brethren that these things are not biblical, that we are good ministers of Jesus Christ.
What actually happens in the world of the brethren, is that they resent being told something is not biblical, and continue in apostasy thinking the bible is not the final authority on Christianity. There isnt much you can do about it. It's free will to believe man or scripture. The basis of one's faith in the Bible or man, is not one we can decide for another person. It was prophesied to come true & it has, & will get worse.
There were more earthquakes recently than ever before. There will be more. It has been prophesied to come true. Jesus Christ fullfilled 456 prophecies physically. These other prophecies will also be fullfilled physically, some may have symbolic words in them, but the prophecy will be fullfilled physically.
The falling away refers to all the scripture referring to the end times, latter days, false prophets. They are already famines.
I can tell you that a lot of so called Christians resent those of us who use the Bible as our final authority. This is evidence of apostasy, & would never have been questioned 150 yrs ago.