> Highly talented developers don't need this structure and process, but if given the freedom, they are also more likely to create software that only they understand, using flavor-of-the-month languages or frameworks that they have personally selected. When their work is done and they move on, nobody else can figure out what they have done or why.

IMHE, not so much. You can't tell which code they wrote, except it's easy to read, and there's a lot of it. The loudmouths, they write inscrutable, flavour-of-the-month code. The talented coders aren't as bothered by this as much as everyone else is.