Where is the data that proves that Google employees pay more taxes than what is proper for their individual incomes.

That was not implied. Google employees generally have high salaries, and therefore pay a higher net dollar amount than the average taxpayer.

What I believe is implied is that since Google employees pay more in taxes than the average bloke, they are due more of that public infrastructure (privileged access to bus lanes, in this situation) — which is not how things work.

Nobody implied that, he was simply saying that it's good we have high income residents in the area, since they contribute significantly to the local tax revenue.