I have some disagreements with that last article you linked to. I believe Satan is bound, as in he can't gather up all the nations for battle until he's unbound, but I don't believe he's yet been cast into the lake of fire.
Do you?
Basically it sounds like he is saying that most, or even all, of the prophecies in Revelation happened with the destruction of Jerusalem in 70 AD. So his view would be fully dependent on Revelation being written before 70 AD, despite all the evidence pointing to the contrary of that. Also, does that view fit with the rest of scripture?
He said, "Is it frightening to know there is no demon possession?"
While I don't believe Christians can be demon possessed, we've had some debates on here about that, I do believe Christians can be influenced by demons.
I do still believe non-christians can be demon-possessed though.
I think this is demon-possession at work in these videos with these false prophetesses. I'm sure some would disagree, but this just don't look naturally possible to me. Their faces even look morphed.
1 Timothy 4:1 But the Spirit explicitly says that in later times some will fall away from the faith, paying attention to deceitful spirits and doctrines of demons...