We do not respect people's beliefs, we evaluate their reasons. If my reasons are good enough for believing what I believe, you will helplessly believe what I believe. I will give you my reasons and reasons are contagious. That is what it is to be a rational human being.
The problem is that religion tends to give people bad reasons to be good.
Countries with high levels of atheism are . . . the most charitable both in terms of the percentage of their wealth they devote to social welfare programs and the percentage they give in aid to the developing world.