Summary: The EPO became a very unprofessional workplace, where the head of operations repeatedly uses the F word and promotes people for complicity (e.g. propelling European software patents and violating the European Patent Convention (EPC))
One common concern when things go "live" is that any random bot out there can execute queries, pumping up RAM and CPU usage, as happened when we used MediaWiki and WordPress
In short, it's not too clear what Microsoft has just done except dumping GitHub - i.e. mostly a Web site that loses a ton of money (it always lost money) - into some mysterious new bucket