Re: 'Well for a start I'd ban religion'
Except the amendments that have been repealed have all been things that you can't do (eg, prohibition), or making slaves free and such like that.
The Bill of Rights don't give you the rights. The Bill of Rights explicitly state that the rights are something that you're born with. The amendments are to tell the government what they CAN'T do with those rights. So repealing the 2nd doesn't exactly take those rights away. It would unshackle the government though, sure.