Don't worry, Microsoft pinky-swears that the only thing they're going to do with all this screen, voice, and camera data they steal from you is to exploit it for profit. No big deal.
And I guess they're legally required to keep 2 years of data backups and share it with every government or law enforcement agency who wants it.
And I've heard there's large groups of employees who can manually sift through it, at will.
And they send/sell it to 3rd party companies for the purposes of data mining and training AI.
But other than that your data is pretty much super private, so there's no need to worry. I mean if you can't trust a monopolistic for-profit corporation with the power to ruin your life, then who can you trust, you know?
Besides, Microsoft almost never changes their privacy policy more than once a month, so all that juicy data meat will stay safe for at least dozens of days.
ALLEGEDY.