That last part, which was literally less than 1 minute before the credit rolled was a joke. The old shopowner (redneck) handed the rifle to those black people, after the sale was made they all party in front of the store where local kids are making lemonade with the contaminated water.
If you really thought Cabin Fever was stupid when watching it you should have left earlier.
Also, your comment about weirdo producers/directors not getting your money is fucking ridiculous. Consider Quentin Tarrantino for example, he once was considered weird director. If no one supported his earlier works then perhaps he wouldn't have gotten a chance to put Pulp Fiction/Kill Bill on screen.
You should really think before you type.