I think they do matter from the p.o.v. of the people footing the bill for the results. I have yet to work on a product/project where mgt doesn't care about when it gets done and how much it will cost. Call it productivity, call it velocity, but the people paying care and someone always pays.
That’s many of our shitty codebases and Agile workflows that besiege one’s cognitive capacity. Couple that with a constant ‘what have you done for me lately’ expectation, and you have a recipe for apathy.
Subconsciously, the kid will internalize that and it’ll show. Your failure as this analogous business father is that at the every end, you blame the kid for not doing enough.