This is one thing I hate about the so-called "green movement". It almost always results in more control by the political class, who don't care about efficiency. The engineers, when having to please the political class instead of consumers, don't have to make things work effectively. They have to make sure their devices pass the red-tape bureaucracy and that's all.
“he main problem with too high wind speed is the turbine will produce more power than the inverter can handle “
Guess the rotors aren’t variable-pitch like the larger airplane propellers.