Not surprising as IIRC, the Scale Trains guys are ex-Athearn employees with experience in H0 trains. I still prefer designs which minimize the rat's nests of wires inside. Yes, like Kato, or some of the recent IM locos.
Yeah they started Scale Trains after the Horizon Hobbies buyout if I remember it right, heck I think Shane was the President/CEO of Athearn?
@scaletrains would be able to elaborate better though.
Though I'm not to fond of that design myself as it was kinda the bane of my existence while I was messing with HO. (and now tinkering with it again RIP my wallet)
As for N, definitely with you on the Kato style mech split frame is the way to go in N and Z scale for sure.
Well except the Kato ACe... Why Kato? Why?