[SwellJoe]

It began pretty much immediately after the acquisition. There was an uptime chart making the rounds a while back, and less than a year in, the all green data points of pre-Microsoft Github turned to lots of red. I assume brain drain, as everyone vested or otherwise completed their contractual requirements and cashed out. And, Microsoft has never had a great reliability culture in their cloud services, so no in-house talent to effectively take over.