[onion2k]

This just gives an easier option.

These features are a disincentive for users to look for alternatives, which in turn is a disincentive for people to start businesses to provide alternatives, which altogether has a cooling effect on the tooling ecosystem.

That's not to say GitHub shouldn't provide these options. They're useful additions to a great platform. My remark is simply about the economics of a supplier with substantial market share adding a new feature. It has a wider impact that being 'just another option'.