BTW.....This sort of password based cloud association with the OS is not new...
I get a big grin on my face when someone says I’ve been hacked, i’m going to go to Apple now...LOL
Because Apple has been doing this as well and for a long time..It’s also related to security and encryption.
You also can now access the MS store through your win 10 account.
Much of this, actually all of it was implemented with windows 8.
Those who did not experience win 8, might be a bit shocked I suppose....
What’s in it for the end user?