Pro and amateur is a fantasic idea. It's no different when we talk about the spirit of the law versus the letter of it. KS is - in spirit at any rate - there to help crowdsource projects that people could not otherwise afford on their own. Not for multi-millionaires to ask for money so they can experiment without any risk.
“There is no such thing as a weird human being. It’s just that some people require more understanding than others.” - Tom Robbins