This kind of fairly idealistic thinking is so far from the ordinary web development norm that you have to go past "supporting that version of IE with 0.7% market share" to get to it.
Most "I need a printout of this" information is timely and dynamic and needs fixing in a physical form.
A print stylesheet seems like something you could get an LLM to write.
I mean, everyone has their own workflow preferences so I wouldn’t criticise you for wanting to use AI in your own personal set up. But it feels like your two statements there should be moral opposites of each other.