If you don't mention the societal needs, and merely make unsupported claims that "windows kill birds," then you are being woefully disingenuous. Because windows do not kill eagles, but wind farms do! This is an important distinction which your blanket statement does not cover.

As for what's marginal, damaging or wasteful, then why is Germany supporting the construction of a woefully and inadequate technology when they have a much better alterative: Nuclear power?