Setting people against each other is a time honored way for a small elite to control a large population.
This scenario is not meant to be taken literally.
Energy. The key is controlling their access to energy.
The 99.999% needs to assert their controlling stake in the technology. I don't know what this looks like. Maybe ubiquitous unionizing, coupled with a fully public and openly-trained LLM.
https://www.bentoml.com/blog/navigating-the-world-of-open-so...
No chance of it happening in the US due to lobbying pressure, but maybe in a more civilized country... (unless a distributed SETI@home-type architecture becomes viable)
But that doesn't really matter when we talk about "replacement" because these people don't "do" they simply "own".
They're not concerned about being outpaced at some skill they perform in exchange for money...they just need the productive output of their capital invested in servers/models/etc to go up.
What's important is that ultimately some small subset owns this, and it doesn't matter how smart they are, only that they own the thing and that it cannot be employed against them (because they hold the key).