Aha! We have our niche.

The perfect service for people with bitcoins, who want Pizza, who do not have any cash or any means of converting bitcoins into cash (bank accounts).

I suppose it has a novelty value. Its also a middle finger to anyone you have shown bitcoins to who have said you can't buy anything with them.

If you bought bitcoins when they were significantly cheaper and wanted to avoid taxes converting them back to your currency, this would have value.

You are severely misunderstanding the use cases of bitcoin