Google already has their support system in palce: help.google.com the best support system EVER created by them
Buying Moto is moot for them; especially since they went to offload their STB division and other resources that Moto has.
Google just bought off more than they can chew and it will go away- the same as their Open Wireless Network did. And their plans to make the Nexus Unlocked phones the best thing ever to make waves in the wireless industry.