Because it worked with cable tv back in the day so it will work again if its allowed to. Stop giving companies your money as a general rule.

The meal isn’t over when you’re full, it’s over when you hate yourself.

This can cause degradation of the PN junction on the panel shortening life. The plans I’ve seen all have a resistive heater some place to dump the excess when full. Smart equipment does help mitigate most issues like moving the resistance point on the panel for lower efficiency when signaled to do so but less is not the same as none.

It’s a grift. They came to steal VC money.