This happened to me as well—thankfully not my personal account that I use for work, but the organization associated with an open source project I worked on was suspended. It similarly took 2 months for GitHub to restore the organization.

> Our team is currently experiencing an unexpectedly high volume of tickets which has resulted in longer response times than we prefer. We acknowledge the long wait and apologize for the experience.

> Sometimes our abuse detecting systems highlight accounts that need to be manually reviewed. We've cleared the restrictions from your account…

Fully self-hosted IMO can be an overcorrection. The issue isn’t “relying on other people”—it’s relying on GitHub, when they’ve made it clear they don’t care about uptime and they don’t care about support turn-around-time.