About prodigies getting the deliberate practice needed:

In some fields, that can be done independently, in others, there's an ecosystem of guides, teachers, and competitions. With LLMs, there will be many more

Good! A testable assertion, like "AI should enable a tsunami of apps and shovelware". I like this! We get to see if "AI" has any effect at except in fields were "barely good enough" works, like spam, advertising and propaganda.