This early in a project, figuring out how to manage it effectively is a big part of the work, I think. There's no inevitability to either project failing or succeeding. I hope both projects do something cool, and if one fails I hope there are a few forks of it ready to carry on with the best parts of it.
Do the "Ernest needs to add more maintainers to KBin!" comments remind anyone else of the xz social engineering malarkey? (kbin.social)
Comments such as:...
Mbin: A kbin fork that promises to never review PRs before merging them (kbin.social)
Somebody who was previously active on the kbin codeberg repo has left that to make a fork of kbin called mbin....