The value isn’t “consumed”. I get as much value out of my open source projects regardless of who is using them.
The fact that you consider users to be “leeches” means you’re missing the point of open source.
The fact that you consider users to be “leeches” means you’re missing the point of open source.
https://en.m.wikipedia.org/wiki/Leech_(computing)
Contributors are not leeching the work.
Users who don't contribute are though, especially when they suck down developer time with issues.
You're not in a position to judge my understanding of FOSS because the word 'leech' makes you uncomfortable.