It used to be, called App Ops. It was in for (one?) point release before google promptly withdrew it again after realising that giving people tools to protect their privacy goes against their mission.
[1] http://www.dailytech.com/Google+Removes+App+Ops+Privacy+Cont...
One engineer can't launch a product alone. Just isn't possible unless its under a personal name.
"and likely ended up paying with his job."
0% chance.
Also, it’s better for Chrome’s security reputation to allow AdBlock from within their store than to allow it from a third-party site. You don’t want to train users that it’s OK to install extensions with broad permissions from anywhere but the Chrome store!
It may become the case in the future that they re-evaluate these priorities, of course.