A recent Wall Street Journal report delves into Gen Z's surprising lack of keyboard typing skills, featuring interviews with several individuals and revealing some startling statistics.
I'd have to imagine most of the people calling them "tech savvy" are just seeing them on phones/tablets which are mostly "dumbed down" hardware in comparison to what you can do with a PC. There isn't much to know about operating a phone or tablet.
Dumbed down hardware? No, the hardware of smartphones is very impressive. It is the software that is dumbed down in the sense that it takes control away from the user or operator.
You're right, I was just referring to the device as a whole. The "experience" is generally meant to be grab and use as is no tweaking/new apps or whatever so the general phone/tablet user isn't accustomed to fixing/adding/tweaking, just tap swipe tap swipe tap swipe.