It's not hidden away, it's in the agreement plain to see.
Anyway why are you so concerned? Google has access to your emails and anything in cloud storage. Microsoft said they can share you information, well they need to share some things like with Cortana for example.
It's so overblown all this. Come back in 10 years and let's see if those still running Windows 7 are any better off? I mean what should I be afraid happening?
Cool mate - you'll have no worries giving me access and control to your pc then - basically to do with how I, or MS, see fit?
Google has access to my emails? No they don't - I don't use gmail.
Access to anything in the cloud? No they don't - it's my device - my data, and it's staying that way.
I'm not some tin-foil hat IT nutball (honest!) - but could you explain to me why you trust Microsoft or Google etc (or anyone) with all your information?
And also why MS haven't done a clearer and more informative job of telling everyone exactly what they are doing with your information and who they are sharing it with (or selling to) in that agreement? Just curious...
As an aside Win 7 support from MS ends in 5 years - so realistically those with Win 7 only have to avoid MS downloading Win 10 onto their machines without permission for another 5 years (unless MS start installing it without the user's permission - right now it doesn't seem that unlikely...)