To be fair they could, and probably did, continue to not place lame horses without citing the reason. If it’s subjectively judged and competitors either don’t have a recorded score or have to jump through hoops to see the score it’s pretty low risk for the judge to just not place or score just below the cutoff and not place.
However there’s a proposed rule (or maybe it passed) that at FEI jogs the vet has the final say when it comes to soundness. As a person who was put in the box after my very first time jogging with an insanely sound pony, and then watched the vet delegate argue over my pony’s soundness with the ground jury before they accepted him, I can appreciate the wisdom of this idea.
I actually spent time with her later as we were doing his final pony measurement and asked her about it because I had no idea what they saw. They saw “motion” in his stifle joint. Not a hitch, not sticky, not a flat tire stride from it catching. But a loosely goosey stifle. He was also a young pony with some typical post legged pony conformation in his first year of competing. I was a little pissed about that, mostly because his fine self got out and into deer corn about 5 days earlier and we did laminitis preventative treatment without violating USEF drug rules (it was USEF natl ch. not FEI). As I was waiting forever in the holding area, I was just SURE that I was just not correctly seeing how horribly foot sore the pony was, and I sucked so hard for putting a laminitis pony on a trailer and hauling him 400 miles and it would be ok if they just shot me for my crimes (it was dramatic, I admit).
The pony was not laminitic, not lame, but he did win 2 out of 3 phases including dressage the next day and ended up reserve national champion.
But I can certainly see the point about vets and lamenesses when it comes to jogs.