1) Att already knows where you are. Its called cellphone towers :) Your approximate location is known.

2) As if google maps or any other google service does not collect data on you. So theres nothing special about this.

3) OTA updates is a brilliant idea. They want to lock their crap down, sorry no hacking. They want to make it as difficult as possible. Only affects people who don't abide by the EULA. Wait you do want to install ur own crap and not abide by apple's istore policies? Get an android or stfu I guess.