Don't get too tired, after the walk there's a laser light show!

Sometimes people just don't quite think their slogans through. Sometimes people think they're being hilarious, or maybe they harbor a subconscious grudge against the people they work their able-bodied hands to the bone all day to help. For whatever reason, people have a tendency to write precisely the wrong thing when dealing with touchy subjects. In fact, once you start thinking about it, it's hard not to. Like right now, we're thinking of an Alzheimer's joke that's unforgettable. See, it's really not their fault. You're going to do the same thing in 10 minutes.

Sources: Reddit | reddit | Cheezburger | The Consumerist | Birminghammommy