300 unfilled positions? Where's the data for this? Unless you mean residency spots going to FMG's means they're unfilled, which is ridiculous. I am starting to think there are probably too many pathology residency spots, but I haven't seen much good data to support either side of the argument. Being imprecise with terminology at best, or intentionally spreading misinformation at worst, does not help matters.
How does debt have anything to do with competition for residency spots? You were arguing that residency spots should only go to those who've adequately "paid into the system" (i.e. taxes for Medicare, due to it's eventual insolvency). I countered with some examples highlighting the flaws of that argument, unless "paying into the system" is really a coded phrase for "US citizen for more than one generation", which is moot anyway because according to the most recent match data only ~200 US seniors applied for ~600 open PGY1 pathology spots. FMG's aren't taking away spots from US MD's.
I don't inherently disagree with this. There probably do need to be cuts, but there has to be well-reasoned arguments with good data to determine how many spots should be cut, and then to convince the various regulatory agencies to actually do it. Cutting spots because you think there's too many FMG's and you don't like them/they don't deserve it/dey took er jerbs! is not going to convince anyone. Cutting spots because there's too many pathologists and salary is going down out of proportion to other specialties/lots of unemployed or underemployed pathologists would be a convincing argument but also has nothing to do with FMG vs. US MD. It's irrelevant. Like I said above if the problem is too many graduating trainees would that really be solved by changing the ratio of US MD:FMG from 1:1 or 1:2 to 1:0?
By all means, argue to cut residency spots and let the best medical students win what's left. All I'm saying is that artificially trying to factor in FMG status or taxpayer status or whatever else is unhelpful as a practical matter and hints at ulterior motives.