Since [by default] you own the IP for code you commit, this is effectively claiming to steal intellectual property. Also professional credit and fame, which can directly relate to employment opportunities.
This seems to me to be the least important aspect of whatever is happening.
> can directly relate to employment opportunities
Given how free we are in choosing work, it seems to me you could just go work for a workplace that doesn't trawl through your charity history to figure out you're worthy enough. That's a matter of self-respect, which you should absolutely have.