[palata]

> If it were actually a problem you should be able to walk under a wind turbine and find a bunch of dead birds/bats.

That's not how it works, but thanks for not thinking about it for more than a few seconds. It is documented, you can read about that. In Germany, tens of thousands of bats are killed by wind turbines every year. For birds, they do have camera systems that detect bird migrations and stop the turbines.

So yeah, it is very much a real problem, you just have to read about it.

> Wind requires someone to go grease the gears once a year.

So it's not only the birds problem: you don't know how wind turbines are maintained either!