Wind Turbine BS

Who doesn’t like a nice, swift dose of pure bull**** when it comes to renewable energy?

Here’s a video on vertical axis wind turbines that, as far as I can decipher, does not contain a single correct assertion.

I’ve always wondered about the motivation behind malarkey like this.  In some cases, it’s a fraudulent attempt to attract ignorant investors, but usually (as in this case) it seems to serve no purpose.