There's a long list of things that create "clutter" for radar systems including mountains, buildings, weather, ocean waves and even birds. There are also ways to eliminate or at least mitigate clutter from the radar. This excuse about turbines being a security threat is a crock of sh** .

Bluesky Guidelines, Section 3.C.i
"Do not share false or misleading information "

Bluesky Guidelines, Section 3.C.i
"Do not share false or misleading information "