Rather than debate the technicalities, I think what is interesting is the mutual respect. On a 2200 mile journey the little bits are less critical than on a shorter "race".
Much like era's in other sports; you could easily argue that Ward is still the man. Technology and gear, popularity of the trail, better maintenance and routing, and even the simple fact that people cared even less then than they do now- leaving the motivation for such an attempt even more pure than those who pursue it today. Add that to the fact that Ward's record stood for 23 years and there is virtually zero argument that Mr. Leonard is the man and a great inspiration in that respect.
A trip to FKT will confirm that Ward's name still remains- and indeed Peter Bakwin and the entire community of folks go out of their way to acknowledge those who have come before them, and support those who eventually supplant their record. I'd like to think that Ward would congratulate Matt, much as Andrew Thompson reached out to congratulate Jen. And Matt stands ready to congratulate Joey should he pull it off.
Some obvious and flagrant violation of the spirit of these "records" is not tolerated, but (not that I am a member) this community seems little concerned with the minutia amongst themselves and support each other completely.
You have an argument, but as it seems of little importance to those who do this and there is nothing official or regulated in these friendly competitions against one's self, it seems little worth it to make it.
Sorry to dismiss your opinion out of hand, my apologies, your point is certainly valid. I'd rather celebrate the accomplishments and respect the achievements than debate a single theoretical misstep in a journey of five million.