Oh yeah they work fine when you neglect certain critical parameters. How hot do your solar sails get in Kerbal? And what is the maximum torque between the sail and the spacecraft in Kerbal?

I suspect a close proximity of tongue and cheek in that comment.

They do actually. It’s a really good game and mod. Highly recommend it. Especially if you need to use a solar sail that works

(in kerbal space program)

I mount my games.