Let me guess, they cleaned the machine, and didn’t rinse it clear of the solution. They then made ice cream. He was making a point, YOU WON’T EAT IT BUT YOU’LL sell it to customers”? He said EAT THIS, they refused because they knew it was bad. Some idiots tasted it and decided they could file a lawsuit. The idiots were probably correct.
If the employee signed off on the cleaning checklist, it’s on them.