The discussion about the name is very old. It is even in the FAQ:
https://www.gimp.org/docs/userfaq.html#i-dont-like-the-name-gimp-will-you-change-it
And there was a fork, Glimpse, but they could not find enough contributors:
https://news.itsfoss.com/glimpse-gimp-fork-archived/
And that's how open source works. If no one cares, nothing will change.