I'm not sure you're always meant to induce vomiting, I think it depends on what you've swallowed.I might actually buy one, and keep it in the first aid box, in case I accidentally drink something poisonous and need to throw up.
Nice shirt, i like.
It seems that the people who buy replica shirts like it, and those who don't actually buy the kits don't like it. Seems a sensible commercial approach from the club.