A license isn't worth much unless you have the ability to defend it. And defending it requires --- money.
Oops!
https://news.ycombinator.com/item?id=47713454
but when I tried asking around how I could finance a useful OS app, I didn't get much of an answer. That's why I spent some days on research to understand how the FOSS projects that I enjoy and rely on are financing their operations. And how well that appears to work (or not).