I met many programmers during the boom years of software that straight out refused to develop any type of soft or managerial skills. Forget that, they even refused to maintain good relationships with decision makers (and I did this too, but only once in my carrier), left jobs in bad ways, focused on chasing salary increases every 6 months. And here is the problem. If you have been chasing "easy" salary increases, wor…
I was this young hotshot 20 years ago. In hindsight, the skills I had at the time were commodity or even irrelevant compared to the wisdom, life experience, and maturity that took me 20 years to develop and determine how effective I am now. You can't fake or rush those 20 years. (Even though the me of 15 or even 10 years ago wouldn't believe that statement.)
So I agree, although it wasn't really managerial skills that became important for me. It feels more intangible. I got sort of lucky that I didn't have to transition into management as I got older.
But that's not to say that many workplaces won't value the young hotshot anyway. I'm retired but if I was job searching I wouldn't really consider myself in competition with them, I'm not looking for the positions that can be done as effectively by a 28 year old. That's not a matter of job title or seniority, it's matter of finding people and positions that value or need the more subtle strengths that I find most valuable and important and interesting about myself.