I admire any manufacturer that puts what they learn at the track directly into next year's production models. I think that's one of the biggest pros of auto racing as a sport: it gives back. Not just faster cars, but more economical and safer cars for the masses.
That said, the technical side of racing should be where serious car manufacturers put a majority of their focus. Do the research, improve your cars, and show the world just how fast, reliable and safe your brand is.
To most people understanding the tech and innovation involved in racing isn't enough to hold interest, however. The show needs to be there to attract and keep viewers. What good is airing an add which no one sees? The TURDOR has the potential to become that perfect blend of tech and show if some more work is done in the DP category.
Grass roots will follow suit. Make good cars and I'll want to buy them from you when I go racing myself. Racing schools will want to buy them to teach students with. et cetera.
Just my thoughts.