would increase costs

For us? Microsoft licences aren’t exactly cheap, keep getting more expensive, and every single basic functionality is an extra.

cybersecurity risks,

Trust the megacorp with a huge target on its back that will deny any responsibility when it fucks up instead.

limit AI and cloud services

Sounds exclusively like a “you” problem.

expand government control in ways that can undermine civil liberties and enable censorship,

Sure, give that control to the US government instead.

Fuck that bullshit. Hopefully no clueless politician falls for it.