Yes, it's fast in many aspects, but totally not lightweight. It eats memory like there's no tomorrow, and spams the OS with processes. But to be fair, that's not super relevant for most users.

I've seen technical people switch because of performance, and I occasionally use it for certain tasks too for that reason.

But almost every time I see it on a non-techie computer and ask them something like, "ah, you're using Chrome?", they look at me like I'm speaking a different language. So I suppose they were not aware when they installed it.