Wouldn't they just fork it, fix their own bugs and stop contributing at all?
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If that's what I have to expect, I'd rather not even interact with them at all.
For instance, I reported to the xorg-bug tracker that one app behaved oddly when I did --version on it. I was batch-reporting all xorg-applications via a ruby script.
Alan Coopersmith, the elderly hero that he is, fixed this not long after my report. (It was a real bug; granted, a super-small one, but still.)
I could give many more examples here. (I don't remember the exact date but I think I reported this within the last 3 years or so. Unfortunately reporting bugs in xorg-apps is ... a bit archaic. I also stopped reporting bugs to KDE because I hate bugzilla. Github issues spoiled me, they are so easy and convenient to use.)