Devs were hoping for stars and network effects rather than listening to those of us feeling uncomfortable taking all traffic to gh. Something like Copilot or even a coding bot was predicted two years ago already.
(The question of whether this is sufficiently transformative to count as fair use is still wide open)
I'd suggest it makes it more interesting. If it's self hosted, then the hoster can choose to impose restrictions on server aceess, including no automated scraping, rather than trying to impose licensing on the code itself.
But I think more and more companies, particularly those in highly regulated industries, are deciding that the benefit of controlling the data — access, security, privacy, and understanding who, exactly, it’s being shared with — outweighs the risks of someone else having that control.