Haha, yeah, but it applies to all laptops really. Keys inevitably scratch the display.
I've never had this happen to me and I've been using laptops exclusively for about 15 years now.
A piece of paper also kind of works, but it's a bit ridiculous to constantly keep that around with you and try to reach 95% consistency. Eventually I stopped trying because it was just more infrastructure to protect the thing than I'd prefer.