I have a Dell XPS with a touchscreen that’s almost 5 years old, lighter and thinner than my MacBook Pro that’s only about a year (maybe 2) older. It’s 2.8 lbs and super thin.

It’s traveled to several countries with me and gotten 5 day a week use throughout the 5 years and works great still. No problems. I mean I take care of my devices in general, but the MacBook has had a dead pixel corner that showed up within the first year with a lot less moving around and not nearly as much use.

Anecdotal evidence sure, but PC makers have been making thin, light touchscreen laptops for years now, so clearly it works.