We homeschool. Our friends are about as careful with devices and children as we are, so far as I can tell, and more often than not we're seeing them in non-internet contexts like playgrounds and parks.
He does use the Netflix Kids interface to start the next episode of shows during their daily allotment of screen time (which we keep a close eye on, so they're only watching shows we approve), but he has no concept of the web or that he could use that interface for anything other than TV time.