There's this thing very common on planet earth. It's called business, a specialized person or business performs and act, and some places, such as here need the funding to support it. If you can think of a way to have an infrastructure this large and not give people these donating options, go ahead, I'd like to see you succeed, although it won't happen.
This isn't just a server or website, it's a business, deal with it.
Plus, people with more money always have power over people without, that's reality, get a grip on it.