I'm guessing you still get warped to jail when you get banned but the whole screen is just the ban screen, that's why when you try to PM someone it says "Cannot PM player while you're in jail", something like that.. Anyways on the topic

Because of jail people would want to get jailed by purpose so they seemed "cool" or something. I wonder why you made this thread, is it because you think being jailed it fun or is it that you want the game to be better?

But what I think the admins where thinking aboutwhen they took the jail out is to make it a not enjoyable thing to get banned, to make it less interesting when you get jailed