I suspect the poster you’re responding to would say you are agreeing with them, not disagreeing. I took that post to be a criticism of people who seek to go in

I suspect the poster you’re responding to would say you are agreeing with them, not disagreeing. I took that post to be a criticism of people who seek to go into management without the expertise you will have gathered as an IC, or without the industry or domain knowledge you will have as you go transfer to the management track. They weren’t criticising management, but rather the “MBAs who rock up” without the necessary expertise to do a good job (and quite often not even much experience of actually managing).