If you can mass-produce these shirts and sell them, please do so. You'll make the world a much better place. People need to see these messages out in the open. If you can only mass-produce and sell one of these shirts, focus on the shirt that says that "Hard Times create Capitalists, Capitalists create Good Times, Good Times create Socialists, Socialists create Hard Times". It's better to stick with one system that actually works than to keep swinging back and forth between the two.
Seeing how much RAM memory you could fit in the cargo section of a Dodge RAM would be an interesting project. Maybe you could throw some additional CPUs in and get a really fast computer out of the deal.