30 years ago was 1994, the internet was quickly becoming a thing and if you would have told them that companies would eventually offer extra services if you chose to store your data with them, they would have believed you because that’s how the banking system worked for centuries prior.
It doesn’t make sense, Forgejo just forked gitea and discarded all of the history (I.e.: issues and PR) previously included in gitea’s github repository. Of course they could host it on their own platform, it was already functional and they could start from a blank state.