I think you've misidentified the fear.

People worry about losing their jobs in a market that hires fewer people (because AI makes doing more work easier) but not about losing their jobs because they can't keep up.

The whole point of AI is that you can't meaningfully fall behind. If you ever did, you could ask AI to get you up to speed again. The tech that automates work and effort is not something you need work and effort to use.

Similarly, I don't currently have a bread machine. I am not falling behind in baking skills to people who do, because I could always, at literally any point, get a bread machine and hit the exact same productivity level.