Any efficiency gains which come from cleaner organization structure are gone because of the lossy translation mechanism between a PM and Eng team. You can argue that good PMs translate requirements perfectly, but this is a rare skill and I’m just saying I’ve never seen it from someone in this role. Perceived enjoyment of one’s role is a separate topic, but not completely orthogonal. If someone just wants to code and they force them to be a PM then their personal productivity might drop. This is why I asserted in the beginning I’m talking about feature teams, where a role fit I described is more likely.

As engineering becomes less expensive with generative models I can imagine efficiency tilts even further in favor of engineers doing more PM-like work.