We're going to have to either get used to it, or get used to fighting with settings to turn it all off. "The days of mainstream operating systems that don't integrate cloud services, that don't exploit machine learning and big data, that don't let developers know which features are used and what problems occur, are behind us, and they're not coming back.
I, for one, welcome my new overlords.
Then I began to experience UI lockups and Chrome browser crashes for the first time. Performance was so bad I had to only run one app at a time so it would crash less often.
So, I had to download 4.4.4 and the SDK to re-install the OS. Some people call that a downgrade, but it was a hell of an improvement over 5.0.2. That was my first time to do that to an Android device and I was fearful of ruining it, but it worked. After the first night, the device notified me it had an upgrade (5.0.2!) downloaded and ready to install. I guess I'll learn to live with the occasional "nag", because I'n not going back to that version.
Yesterday I wiped the cache partition as recommended and so far no problems of any kind.
You've been Berkeley'ed!