I see what you mean and understand you. It’s very idealistic and I appreciate the thought of it, but it just won’t apply to a modern world full of varied people in the way you wish. The reality of it is that most people simply are not interested in participating and it’s not in the best interests of any project to expect to change that. Contributions from someone who shares no passion or interest will be less qualitative at best. That’s not even to mention that you’re likely missing the forest for the trees, as most open source software is built upon hundreds of other projects. You cannot reasonably expect participation on that scale. You can encourage, desire, or structure an income stream to support it; but you cannot expect it as it’s just not rational.