I mean the thing with subsidiary means that US would get every LAV variant there is which I’m sure some people wouldn’t be too happy about, and a bunch of other stuff I’m sure.
But maybe they should cut it off at nationally based things so Raytheon UK and GDLS Canada stuff would stay in Canada tree/subtree and UK
There technically already are manufacturer trees in the game with the Russian air tree being sorted by Yakovlev, Mikoyan-Gurevich, Sukhoi/Lavochkin, and Ilyushin/Sukhoi, and the bomber tree which is a mix of all of them
It should only be around 3 or so weeks until we start seeing update devblogs really so long as the update comes out at the beginning/middle of March. So not all too long now