"Show suggestions occasionally in Start" in the useless redundant new settings app is something that should be a completely optional component and not intrinsic to the operating system.
I mean the pictures are nice, but it is personalized by proclamation, so they have to farm at least some data.
All this stuff needs to be patched out yesterday in my opinion.
edit: clarify utilization I've experienced is cpu
As for ram, i have no problem of windws/apps using all the ram i have available, that means they will hit the disk less often and be snappier, in most cases
The reasoning boils down to power management, but using linux cuts an hour or two off my laptop's battery life.