Of course it fooking has.
> There was a recent incident where Microsoft somehow allegedly blocked a mailbox of a sanctioned individual. Any organization highly depending on MS products that might come into the crosshair should ask - can this happen to me? What would be the cost? How much I invest into prevention of this scenario?
**Microsoft Dependency Has Risks** - Miloslav Homer
https://blog.miloslavhomer.cz/p/microsoft-dependency-has-risks