Summary: In today's European Patent Office (EPO) the nepotism has become so rampant that having an affair with an EPO Vice-President can help one become a Head of Delegation
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