Wind and solar are also killing millions of birds, and are likely affecting the local weather in unpredictable ways. Messing with turbulent boundary layer flow does not have predictable results.

We just don't fully appreciate side effects of new technology until it's fully deployed. It took decades to realize that fish hatcheries weren't going to solve the salmon problem for hydro. If anything history should teach us to approach all new miracle tech with skepticism, especially when deploying it on a massive scale.