Criticism from competitors always has less weight in a market test.
In any case, just today Reuters published that Google said to EU regulators that Microsoft’s cloud practices (in general) are anti-competitive:
Exclusive: Google says Microsoft cloud practices are anti-competitive | Reuters
This was in response to the news that MS is very close to settle the antitrust complaint on cloud in Europe:
Microsoft prepares to settle EU antitrust complaint on Cloud - Bloomberg News | Reuters
It’s obvious that MS, Amazon and Google have a complicated relationship in the cloud business.