> I use Github and I bet 99% of coders here do too.

I know plenty of people & projects using Gitlab and Sourcehut (myself).

> If someone tries to publicly shame me, I'll just laugh at them.

Shaming may be wrong. You must have pretty good job security/wealth/influence to refuse Github because this can lose you many opportunities in the industry.

But that doesn't make it good, only understandable & honestly sad