Or, because coding is now not a bottleneck, it'll become increasingly important to ensure all your developers know what to do/achieve, and you'll need to put more effort into setting up structures, processes etc to do that. More collaboration (instead of lone wolf coder) may actually increase the need for good managers.

> that means they’ll need to be doing more than just pushing paper and cheerleading

That never lasts. No one can do do both and do them effectively.