The key to avoid this is extensive education. The more people are producing the merrier. It doesn't matter if they go at turtle's pace.

It's called the law of comparative advantage

Eventually, if some (even extremely talented) devs are stubborn enough to keep working alone, they will be made irrelevant by groups of people working in groups of Dunbar number sizes. They'll miss the advantages of having better opportunity costs by delegating tasks to others with less talent.

And all of this will happen because programming education will be more widespread