religion: something you should keep to yourself?

There is so much religious stuff on here and being pagan myself, I was raised to not cram it down peoples throats. I dont know if its a Christian thing to constantly bombard people with it and act like its the only religion out there and look down on others who dont conform to it but I think religion would be much more tolerated if people kept it to themselves like people used to do and really should start doing again with politics.
You never really used to know what someones political opinions were, but now people seem to just shout it to anyone dumb enough to listen.

Just some things you should keep somewhat to yourself or people you are close with