When I post SWE roles, I get hundreds of applicants from people outside the US who pretend to already be in the US, by putting SF in their LinkedIn. I also get a ton of people who lie about needing work authorization.
There was a linkedin post floating around a few weeks ago that went in the other direction - a hiring manager who posted "remote" jobs, go the applicant hired, and then did a rug pull letting them know that it wasn't actually remote after all, they were required to come into the office. The hiring manager proudly bragged that most of the applicants just went along with it anyway and the comments were pointing out that it didn't seem like they'd have much choice at that point since they'd have already quit their other jobs.
That's exactly the advice that hiring managers themselves gave 10 years ago.
What about "oh, we've gotten this far, maybe we can work it out by having them work remotely from their country for a cheaper compensation than what we would have had to pay locally"?
From the applicant's point of view it costs very little to try this out.