Google Fiber offers plenty support options. http://support.google.com/fiber/answer/2457687?hl=en
Google Fibre isn't even on the radar for me. I'm in the UK and, as far as I can tell, it's only available to half-a-dozen people in the middle of nowhere.
If people are paying Google to be their ISP, I'd like an even higher level of customer support compared to the competition.
However, I'd expect it to be worse.
I think Google devotes proportional resource to the products which give them value, and I think that's probably why Groups is being negelected. It is unfortunate for Groups users, but Google does have to make money.