Heh, that's got to be the best "interview" about simracing tire modelling I've ever seen.
I've figured out what should happen here, in the best interest of everyone:
Dave should just offer Scawen a fat contract, and suck LFS into iRacing as well as combine their research and intellect. The LFS content would still be one time cost and support, and the iRacing content would still be subscription & purchased based. Thus, both sims would have a great tire model, low cost fictional content for those that want it, and higher cost RL content for those that want to officially compete. Best of both worlds combined IMO, more dough for everyone. Would be wicked.
Of course, I've had a few birthday drinks so that could be rubbish, but it seems like a good idea at the time.