In reality, there are only two religions in the world. One is works-based, and the other is Christ-based. You must be sure that you are on the right path.
The message of the cross may not be popular in the world, but that is the only solution to the problem of sin against God. Christ fully paid the price, and it was accepted by God. Outside of Christ, there is other way to God.
There are many self-deceived believers today. Many are made to believe that they are saved when they really are not. We need to bring up issues like this to help such people re-evaluate their salvation.
This discussion is not about judging other peoples' salvation. It is a crucial discussion to have with people especially now that many things have become very superficial, including the profession of faith.