Either way, some part of revenue from the search engine is going to charity. You aren't generating anything new by using Bing's donation feature, just clicking a button to do what Google apparently already does.
I hate how Congress thinks it can legislate anything it wants, and whatever it can't legislate in can hold a "hearing" on and then impose some ridiculous punishment. Interstate commerce. It's not meant to be a gateway for doing whatever the hell you want, it's supposed to be highly restrictive and limiting.
How, exactly, would you "ultimately prove" anything about life? I'm a very religious person, and I love science, but I also know that humility is the biggest key to seeking understanding about the world. Not every religious person is anti-science. Many of us fully embrace both.