>I mean.. yeah.. no one ordered him to dump it. He normal buyer didn't want it because their normal buyers weren't buying.

No one ordered him to but dumping was an option in the table

>It would make sense to make milk, cheese and other milk products out of it for home or farmers market sale's.

Sure but adding all the additional work necessary to make that happen is a big stress vs selling in bulk to a few customers.

Dairy farmers usually don't have a lot of free time and those cows still need to be attended to.