The book of Revelation makes it clear (I do not actually believe a word of it) that the Anti-Christ will deceive practically every Christian in the world with his false message. While I believe the only thing that was revealed to St. John the divine was how awesome magic mushrooms are the message itself has value in that Christians do not need an earthly leader to point them to the righteous path, that was already done 2000 years ago, they just need to quit looking for ways to justify Pride, Envy, Wrath, Gluttony, Lust, Sloth and Greed.
Even if Revelation is allegorical the warning of message still has truth. I am not of the belief that the Bible is inerrant. Even if the sacrifice on the cross is symbolic it holds a lesson and truth.
Professing to be a Christian does not make one a Christian. Christians are those of us who cherish truth, humility, diligence, humility, chastity, charity, and morals.
The John 3:16ers don't get it. God so loved the world does not mean the earth. The world John was referring to was the Christian world, in other words, those who were with Christ. There is a distinction between Christ and Jesus.
Jesus will separate the goats from the sheep.
"Accepting Jesus" is a sham by Satan. These born agains think they are saved and that explains why the Bible belt is so full of sin. They say that works won't get them to heaven and that faith alone will. It won't. We have to walk the walk.
Do people who don't consider themselves Christians go to heaven? Absolutely they do!
Heaven will have the religious and non-religious. I don't think there will be any liars and truth denier there unless they repent but there are some so wicked and prideful who have rejected the light and the way who are unfit for heaven. The Catholics call them mortal sinners. A mortal sin is sin that is committed when you know something is wrong but do it anyway. A good example of that is the chronic lying be members of the alt-right.