I was not commenting on user fees in any way. I was answering the question of whether Romney or Paul would do a better job.
As for the statement "I don't think anyone is saying that your dog, who eats his own poop, would do better than Obama" - yes, someone IS saying that. ME, in the post you quoted.
Now, as for user fees. Companies that use corporate aviation as a tool do not rely on corporate aviation to exist. Aviation is ancillary to what they do. Exxon, Walmart, etc do not exist to support a flight department - they have a core business. Further, Seggy points out the taxes that airlines pay. Awesome. What about the taxes that Exxon, Walmart and all corporate operators pay? If corporate aviation makes a company more efficient...efficiency leads to profits...profits lead to tax-revenue.
Airlines on the other hand need the national airspace system to exist in anything close to their current form. The idea that General Aviation, a small user of the system, should subsidize the airlines or even help share the cost of something that the airline business needs to exist is foolish. People can, and do, and have, flown privately without using the current system. The airlines simply could not.