I guess it depends on if you are "crew" or if its all one big team.
I crew on a modest keelboat. The skipper and crew are all friends, I would not roll up to a party at his house empty handed. I wouldn't roll up to a race empty handed either. If I felt I was a lesser part of the team I don't think a free sandwich and beer would keep me on the boat. As a celebrated BOAT TRAMP I crew on lots of boats and I go with the flow of the boat, which of course is exactly how the owner wants to run it. Some boats have been alcohol free until we are tied up along side afterwards, all have been fun. Maybe as yachts get bigger crew expectations rise also. How we raced, communicated and celebrated are the factors that decide if I'll crew again. so far haven't found a skipper i couldn't crew for or didn't want me back.