@robpike If they don't understand why, force them to watch @eevblog Do The Math and tear the concept to shreds.

https://www.youtube.com/watch?v=lkjyeI0ykGM

TL;DW the returned energy is milliwatts, not even enough to start the inverter for useful power.

EEVblog 1637: Solar Freakin' Space Mirrors! - Reflect Orbital DEBUNKED

YouTube