Maybe I'm being dim, but why is it OF/J4F that raises hackles?
Aren't any requests for clips, movies, etc., that are not in the public domain essentially asking someone else to "spend their money" and get it for someone who doesn't want to?
It IS possible, also, that some of the requests may be available elsewhere…theyr'e not necessarily asking someone to spend their money. They're asking for someone to find and seed them by any means they can.
Personally, it doesn't bother me. If I can, I'll help. I'll check my other sources to see if something is available. If not, I won't worry about it.