Macs - they just work.

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.