I've been a professional C, Perl, PHP and Python developer.
I'm an ex-sysadmin from the late 20th century.
These days I do more Javascript and CSS and whatnot, and promote UX and accessibility.
I think you're right in everything except thinking that Github should be more helpful to you since you were a higher-profile project.
It should be a better interface for everyone - I can imagine the same situation where you sent them an email and they replied "ok", and fixed it for you but made some kind of time-and-effort value judgement where they wouldn't do the same for other projects. That's a corporate cloud distopia.
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I think you're right in everything except thinking that Github should be more helpful to you since you were a higher-profile project.
It should be a better interface for everyone - I can imagine the same situation where you sent them an email and they replied "ok", and fixed it for you but made some kind of time-and-effort value judgement where they wouldn't do the same for other projects. That's a corporate cloud distopia.