I worked at Microsoft for exactly half of 1989–2009. One day they made me pair program and I quit the next day.
Microsoft used to be a leader, now they follow fads.
The reason their software leaks so badly is their insistence on hiring obedient mediocrities instead of bright people.
I was at a division meeting where a David Stockman clone stood at the podium and told is that memory leaks are a fact of life. I stood and interrupted and contradicted him. I’d rewritten a suite of servers with zero leakage.
Microsoft is on borrowed time. They are no longer great. Merely big.