I agree with you that any developer who is curious about the larger reasons their paycheck arrives in the mail can & should learn how their business works.
But so many management skills -- empathy, listening, communicating clearly/fairly, inspiring people, making people feel valued -- are orthogonal to programming knowledge/skill.
Do you think? I'm not sure. Speaking as a developer who is now a manager, they're certainly not skills that came naturally but I think I have learned them and practice them fairly well.
Maybe I'll never be the natural that some people are but, with hard work and forcing myself out of my comfort zone, I am doing a good enough job.
"orthogonal" just means "uncorrelated" - not "inversely correlated". Your OP isn't saying those skills are automatically absent in people who code, but rather that ability to code has no bearing on your ability to manage - and vice versa.
But so many management skills -- empathy, listening, communicating clearly/fairly, inspiring people, making people feel valued -- are orthogonal to programming knowledge/skill.