You seem to be very impressed with that $5k figure. That is only 1/9 of the amount he took in receipts, but let's look at that amount.
$5k / 60 = $83.33 per person. In quantity, I can get grade 5 waygu brisket (the GOOD stuff) for about that. Did each person cook a brisket and take it home? (or split it between two people) That actual sounds like a good return on the investment. A quality rack of ribs and a brisket would add a lot of value.