"Neither of you have learned from the other." ~ thx Talthybius, I think this very well said. This is a mess that goes both ways. Of course you are disappointed but you knew going in and making these plans that they would not be appreciated.

Perhaps next time just ask. You could also explain that getting him a gift is a sign of your own appreciation. "I would really like to observe your birthday with a gift, what would you like?"

There is another matter here. Just why does he prefer the cash? What circumstances is he facing that he would wish it this way? Is receiving money a matter of necessity?