There are some stereotypes that are considered funny by both; those the joke is about, and everyone else. A look at the crowd at any Pride parade suggests rainb

There are some stereotypes that are considered funny by both; those the joke is about, and everyone else. A look at the crowd at any Pride parade suggests rainbow colours on everything is pretty much universally humourous. Everyone hates hatred. But this particular stereotype has rather a positive, celebratory air to it.