Yep, all those exact reasons are why I noted it's unfair (issue a group of people are facing, not an individual) and would be untenable as soon as it became any

Yep, all those exact reasons are why I noted it's unfair (issue a group of people are facing, not an individual) and would be untenable as soon as it became any kind of system or recurring practice on any scale whatsoever ("there will always be people who will game the system"). Those are precisely the problems with the notion.