If everyone was atheist

[Mister Agenda]

Am I allowed to teach my kids Catholicism, as my parents taught me?

You are 'allowed'. I'm not proposing a law.

But teaching your children the conclusion instead of teaching them to think for themselves and give them a CHOICE in matters as personal as faith is, in my humble opinion, the wrong way to go about it.

If it's the truth why do you need to teach your kids about it in order for them to accept it? Religion would diminish significantly if children were not taught to believe.

It would quickly come close to disappearing if children were not taught to believe it. It's easy for an atheist to take the high road and just teach their kids critical thinking skills and expose them to diverse religious education and let them draw their own conclusions. Most kids raised that way will not come to the God conclusion. And at least the few who do didn't have their beliefs dictated to them by an over-authoritative parent.