It is. They just don't take a lot of weather, so they're not more than disposable subsidy capture device if you live in places that storms and flying debris are normal. Solar panels are glasses painted with heavy metal stained glasses, so you can't leave the panels around, they have to be recovered.
All moot points if they last indefinitely where you are, serious points if they don't.
All moot points if they last indefinitely where you are, serious points if they don't.