"By the way, I made 25K last year and paid more federal income taxes than General Electric. Something's not right with this picture."
You have that right!!
One other thing we need to keep in mind is that many big companies pay a lot of money in fees, licenses, and other local/state/federal taxes; in addition to income tax. GE paid income taxes in other countries, but not here. Global companies look at the entire planet as their market place, not just the US. Tax laws allow them to pay no tax, it is not illegal. They do influence Congress and the laws and that is a problem. But so do unions and other special interest groups, and that is a problem too. The government has made taxes so difficult, that large companies have to pay millions in extra wages just to do the accounting. The whole system is in bad shape.
When the economy gets bad, people and companies reduce expenses. The government does not adjust to the loss in revenue as it should, they try to make those generating money pay even more. So now we may have a government shut down.
But if one is walking on trails, there is probably not going to be anyone to stop or cite you. If you already have a permit, then I don't think they have any reason to do so either.
The BIG problem for many hikers might be bounce boxes, if they rely on the USPS. Not even sure if a shutdown will impact the USPS.