They can't keep the bathrooms clean because their funding has stagnated and much of it has been redirected to firefighting. This is... what this entire article and discussion is about. It's a little bizarre that you could take "maybe government is the problem" from all this.
USFS employees seem generally great, and competent at their jobs. If any part of government is the problem, it's the legislators who aren't funding them well enough. That's not a reason to take management of the parks out of the government's hands; that's a reason to stop voting for pro big-business fiscal conservatives who want to trick people into privatizing things because "government doesn't work for this", when the reason it doesn't work is because they deliberately broke it.