Honest advertising at least
How much money would one presume 5 beers would that it would cover this many beers? Even if you’re buying at a local convenience store or at your local alcohol store this would be around $50? Who walks up to a place, sees an order of what they assume is 5 beers for that price and thinks, “Yeah that’s a fair price.”

I came here to say there was probably a context clue or three, namely the price.

I don’t know this fella, but he is either so out of touch with how much things cost that he doesn’t pay even the slightest attention, or (gasp) he is making up a story for the Internet.

so out of touch with how much things cost that he doesn’t pay even the slightest attention

I live in high-end tourist destination and encounter these people all the time.

he is making up a story for the Internet.

Or for his wife. “I swear babe, I thought it was only like, 5 beers! Oh well, now that we paid for it…”