I was wondering the same thing not long ago. The answer is a bit murky on this one since laptops aren’t like phones that have their screen constantly exposed. Instead, you can close the laptop when moving it around, which offers a ton of additional protection to the screen, especially from scratches.
That said, if you just got a brand-new Lenovo laptop, there are some excellent reasons to slap a Lenovo screen protector on the device. First,, if you work a lot outdoors, you might get sand in between the screen and the keyboard, which can scratch the screen. And second because — as this website shows — laptop screen protectors can do a lot more than just protect the screen. A good anti-glare screen protector, for example, will reduce glare on the screen, making it much easier to use outdoors. And,, of course, an anti-shock screen protector will help your laptop survive drops without cracking the screen.