A basic reason for a sleeper for me is that I am traveling alone. I do not want to sit (or sleep) next to a total stranger all night. At best, I would feel uncomfortable; at worst, afraid if the person acted odd. The other reason is that the bathrooms in coach after a few hours are disgusting.
Looking again at the chart, I don't know where they think that sleeper passengers make an average of $102,000 a year. For many of us, taking a sleeper is something we have saved up for. I can travel by train because I do not spend money on a car, smartphone, TV, designer clothes, or much else, and I save up for my trips.
Someone making that much money probably would not be taking Amtrak LD. They would be in Prestige Class on the Canadian, or they would take a repositioning cruise from one coast to the other, or they would fly first-class wherever they wanted to.
Back to the Fire Anderson signs--I did see them as we came toward North Philadelphia (my SEPTA train was crawling along because of Amtrak signal problems, so I had plenty of time to take them in). I know nothing about the person who put them up, but I'm not sure where they are is the best place for them to be taken seriously. The building doesn't look all that fancy, and it is in an unattractive area. But the worst part is that there were four really sad-looking train cars that had graffiti all over them and looked like they had been abandoned. I do give the person credit for trying, but don't think they are any threat to Anderson--it is certainly silly if he gets his legal team to fight them--it's not like it's running every few minutes on the new electronic billboards on Market Street where a lot of people would notice.