The K1 approvel rate seems a decent proxy instead of 1 lawyer's opinion. Acceptance went up during V1 of the current administation. https://visagrader.com/visa-approvals-and-refusals/K1

Jamaica, not known for having lots of people with pale skin, has basicaly same approval rate as Germany. https://visagrader.com/visa-approvals-and-refusals/K1/jamaic...

https://visagrader.com/visa-approvals-and-refusals/K1/german...

Would be unlikely that the USCIS radically changed their approach when dealing with paperwork messups for populations if these different countries while apparently approving applications at basically the same exact rate.