Exactly. Solar cells don’t respond well to cracking. Roads crack. I’m not sure who decided it would be fun to drive heavy vehicles over solar panels continuously, but it wasn’t a practical engineer.
LOL, I did the same thing I do when I watch a science fiction movie that is a little...er...out there.
I temporarily suspend belief so I can enjoy the movie!
I thought the same thing, and...well, won’t they be slippery too? And abraded by dirt and grit? And so on...