It’s like every generation loses the ability to do something in computer technology that was just abstracted away somehow

Yes, I’ve been hearing computer engineers (or those with that mindset) complaining that programmers don’t really understand much about how computers actually work since before I even entered the workforce, but I kind of get what they are/were saying. I’d look around at my peers nearly the entire time I’ve been doing this, and I’d see some that really wanted to know a lot about, well, everything, in some cases, being interested in hardware, and then there were a lot, maybe more than half, that just focus on learning whatever the herd is telling them is the newest shiny object - and this is nearly always vendor-led and a lot of it is less about sound reasoning, and more about being fashionable. These days it might be a frontend JS framework, but exchange the set of terms/frameworks and it’s the same old story.

These days it is increasingly difficult to know much about the actual target hardware, if you work in hosted services like Azure, etc…