Well, as a long time fan of F1, I can tell you that things aren't so rosey there. The fields are rapidly getting smaller, and the management is now in crisis mode. They are racking their brains to come up with anything and everything to make the racing cheaper, and they seriously feel that they may be facing losing many of their teams. In this country, the same problem is faced by the two Indycar leagues, even though both are far cheaper to run than F1. Only Nascrap has all the sponsers it can handle, though I find it the most boring racing on the planet.
Even MotoGP isn't as good as you say, that is, unless you are a Honda or Yamaha fan. The thing is, sponsers want to back a winner, and they flock to the winning teams, so the team that already had the most money gets more. Ask the backmarker teams if they have enough sponsership money, they will laugh in your face. The teams on the back rows can't interest big sponsers because they are on the back rows, and they will stay there because they don't have the money to get to the front.
Take a look at Kawasaki. Here is a factory team that's pretty much in the same boat as Buell. The parent company, KHI, has tightened the purse strings in recent years, and it shows. They have looked about as good in MotoGP as the Harley VR did in AMA racing. Now, if they could find a big sponser to make up the difference, don't you think they'd jump on it with both feet? Check out some race reruns and see how many sponser decals you see on the Kawis. What I see is a lot of green fairing. Open your eyes, man! Maybe you need a little of this coffee!