Amazon workers are highly paid, thus bringing the average income up, and contributing to taxes, strengthening the housing market, and much more. That's interesting that you call it pollution. High paying tech jobs are pollution? That doesn't compute to me.
Companies that compete for talent will be pissed, but for lots of others it's a huge win. The only way I see it as a "bad" thing is if you are in a small city that wants to remain small.
It's absolutely nothing like building a McDonalds.