They will find out soon enough.....and they will not be laughing, but rather begging, weeping, crying and then screaming.....!!
You seem to get a sense of vindication or satisfaction in your tonality. A "you'll see when you get whats comin' te ya" attitude. You are not God. If you feel your doctrine is correct then by all means warn. Warn sternly. But there is a way that is done that can be stern but yet loving. We are dealing with people. Some are unbelievers. Some are the body of Christ. God loves us all, and is not wanting any to perish. Your tonality betrays what's in your heart.
Even if your doctrine is correct (I don't believe it is, but lets just go with that for the moment), I believe you will give an accounting to God for how you conducted yourself on these forums. One standard deviation away from swearing at people. Clowns you call them, with impunity. And then you justify your actions in a self-righteous manner. You have been called out on this by many different people not only in the last few weeks, but I recall the last few years. Yet no change. No self reflection.