This started as an April Fool's joke and so many people *really* wanted one, somebody decided to make it (or the company making them "brilliantly" tested the waters with interest before mass producing to see how it would be received - your choice).
"You are going to get a certain amount of snarkiness on the Internet no matter what, and my rule is that you don't post anything that you wouldn't say to someone's face." Marc Andreyko (Writer of DC Comic's "Manhunter")
I got sucked into the one a couple weeks ago when the wife of a guy Columbo arrested was plotting revenge and tried to kill Mrs Columbo (no appearance by Captain Janeway though). MOre importanly, when will they again show the Johnny Cash episode?