(at the risk of continuing to flog the same dead horse that I’ve beeing flogging for some time now):
… except the people “just using OSM’s standard map tiles in their maps”.
However, people who do “just import a pbf file” but don’t consume diffs can get an idea of the status of it by looking at the extract date. For example here there’s a section that explains where the data came from (a process I suspect you’re familiar with ) which currently says “This file was last modified 9 hours ago and contains all OSM data up to 2024-06-22T20:21:15Z”. A glance at the all blocks page shows (as I write this**) nothing out of the ordinary at that time.
People who do consume diffs will get the “unvandalism” after the vandalism; as I’ve said before they can periodically update at a time of “no known vandalism”. The challenge that e.g. CyclOSM still has now is that they weren’t able to process the “unvandalism” fast enough and they still haven’t manually cleared their cache of it. Perhaps someone is on holiday .
** sorry for tempting fate