And even if that somehow managed to pull apart P (which I
highly doubt would happen...there's a massive pool of LMP2 stuff out there)...why not throw out PC and just make a GTE/GT3/GT4 series? Would that really be so bad? Heck they could even replace P with that new "Class 1" thing in 2017 and invite those teams to the NAEC races. A giant GT series would be really cool, I mean, there's one in Japan that does well, or so I've heard.
But big deal if GM and Ford aren't in P...were either of them in ALMS LMP2? No. Were either in Indycar before (discounting Champcar/and pre-merger) 2012? No. Did either suffer without them? No. Does the fan base care if Ford or GM aren't in one of the classes? Highly doubt so. That's the whole point of sportscar racing...choices. Manufactures and fans alike.