You sure about that? Azure Government is used almost exclusively by the US Department of Defense...
I’d be willing to bet that all US cloud providers have a similar government tie in. So yes, MS absolutely facilitates mass surveillance, in my opinion.
[1] rest in power https://en.wikipedia.org/wiki/Caspar_Bowden
Hackers have a love-hate relationship with Microsoft but today, at least, might be one of love.