Do those people really believe they're the most intellectually superior to the rest of the world? If a job can be done purely remotely, what stops the employer from hiring someone who lives in a cheaper place?
* lied about their capabilities/experience to get the job,
* failed to grok requirements through the language barrier,
* were unable to fix critical bugs in their own code base,
* committed buggy chatgpt output verbatim,
* and could not be held liable because their firm is effectively beyond the reach of the US legal system.
In a couple of projects I've seen a single US based developer replace an entire offshore team, deliver a superior result, and provide management with a much more responsive communication loop, in 1% of the billable hours. The difference in value is so stark that one client even fired the VP who'd lead the offshoring boondoggle.
Software talent is simply not as fungible as some MBAs would like to believe.
Anyway highly competent and experienced folks will always thrive regardless of environment. Its the quiet rest that should be worried from multiple angles.