Don't Question Their Salvation?

I was reading an article recently that had one so called christian debating another so called christian. We'll call them "mr osas believer" and "person y". Mr osas believer is a once saved always saved (OSAS) teacher who goes on to detail how "person y" was displaying all kinds of different satanic behavior. After mr osas believer detailed all of the satanic behavior displayed by "person y", at the end he then says BUT IM NOT QUESTIONING HIS SALVATION.

Let me get this right, you look at another person who is a so called christian, that person is displaying all kinds of "satanic behavior" and you "are'nt going to question their salvation?"

ARE YOU KIDDING ME? I'll do them a favor, I'll question their salvation. According to OSAS, you can have no faith, no obedience, be exhibiting satanic behavior, and because you "made a decision" for Jesus 15 years ago, you'll still be saved? Sorry, that does'nt wash. These people need to get something through their heads:

For it is by grace that you have been saved THROUGH FAITH......... Ephesians 2:8

What happens when there is no FAITH there anymore? What happens when there is no obedience anymore? John 14:15 "If you love me, you will obey my commandments.

These OSAS teachers are playing WITH FIRE. You know what happens when you play with fire don't you?