I agree, I've got the same value out of these things as you. But pretty much all the people I know who have had some amount of success with anything didn't know

I agree, I've got the same value out of these things as you. But pretty much all the people I know who have had some amount of success with anything didn't know these things and didn't care. They just hacked something together and didn't stop... So I think the value you are describing comes a fair distant second.