The social network aspect was a means to an end ("get enterprise customers"), but the needs of enterprise customers differ from the needs of open source communities. Hence the "indecision"
Indeed, but GitHub's "social" features cater neither to enterprise customers nor to open source communities, but to a (hypothetical?) group of people that want a blend of software engineering and Instagram-style popularity chasing, with a bit of cartoon cuteness sprinkled on top.
I honestly found the introduction of the "achievements" section on user pages to be borderline insulting. I'm building cool stuff, not playing an RPG. Who does GitHub think their userbase is?
At least three investor groups are explicitly looking at lists of the most starred / forked projects and throwing money at those with "Instagram-style popularity", so we've reached the stage where people can trade in the "internet points" for real money.
I can't imagine choosing GitHub except for cool points or if you're working very closely with code that isn't yours primarily.
For example: Things like SAML and SCIM are very important to enterprise customers and it feels extremely jank on GitHub.
Excel, MSSQL, vscode, c#.
Then you get turds like Teams..