Earlier quoted context omitted.
They day Google starts blocking ad blocking users is the day the exodus starts from Google services.
I think you're overestimating the number of people who 1) care and 2) use adblocking extensions or any extension for that matter. Google knows what will likely happen, and pays people lots of money to know.
Why do you think everybody switched from IE to Chrome? Because their tech friends told them to or did it for them.
The day Chrome can't sufficiently block ads anymore is the day Chrome dies.