I mean they did experiment with solar panels that contain lenses to intensify sunlight and increase efficiency, but it's almost always cheaper to just buy more solar panels. Not even MPPT solar chargers are worth it vs buying one more panel.
This space mirror is really the perfect example of the pathological stupidity in our era. You just have to listen to the experts, but everyone just wants to push clickbait engagement, so they get funding by some equally moronic investors lol