I don't believe this is the root cause, computers got faster, and software got quicker to the state of "run good enough". I'm calling Wirth's law on it.
"Clean code" is indeed often a bad idea, but you are overestimating the impact. Even software written by people caring very much about performance consume way more than it theoretically should.
Plus, if this was that simple, people would have already rewritten all the bad software.
Your message is exactly the reason why I do not like Casey, he is brainwashing everyone into thinking this is a culture problem. Meanwhile nobody tries to solve it technically.
"Clean code" is indeed often a bad idea, but you are overestimating the impact. Even software written by people caring very much about performance consume way more than it theoretically should.
Plus, if this was that simple, people would have already rewritten all the bad software.
Your message is exactly the reason why I do not like Casey, he is brainwashing everyone into thinking this is a culture problem. Meanwhile nobody tries to solve it technically.