[Always Right]

Churches have every right to keep the tax exemption and to preach all of the above topics.

Absolutely. And IMO, Churches have the right to say who to vote for if they wish. First Amendment rights for churches should be absolute unless they are advocating harming someone.

[sarasmom]

I don't agree.
Tax exempt status for "religious" organizations should be scrutinized regularly.
Many "organizations", religious and otherwise, fraudulently attempt to claim tax exemptions for expenditures that are fully taxable under current law.
Religious organizations are some of the worst abusers of tax exempt status.
An actual "church" that is fully supported solely by donations from individual members is tax exempt.
The church owned "school/daycare/laundromat/apartment complex/game room/landscaping service/bingo hall... etc, are not tax exempt.
There is no prohibition against religious organizations establishing profit making businesses.
They are just required to pay applicable taxes, when they do, just like everyone else.