People like to make it sound like running your own server/service is impossible - completely forgetting that's how everything was done not that long ago.

Some wiz-bang new graduates calling themselves Engineers probably haven't a clue - sure, but for everyone else, you probably still have folks employed that did just that on a professional level.

It's not hard - and often it's less expensive. Particularly for a turn-key paid product like Github Enterprise or GitLab.