Great insight, Jean.
I think that last idea floating around was based in part on the fact that Talhoffer was not listed in the “Society of Liechtenauer,” or what have you.
https://wiktenauer.com/wiki/Fellowship_of_Liechtenauer
…Granted, in retrospect, considering anything along the likes of which I suggested earlier on such loose information is pretty weak. But, the concept that the various masters did not get along all that well is perfectly sensible!