Currently, they offer $5 credit per signup for US developers. Referring via the uber dashboard gives you $10. Am I missing a point or why would anyone use it i

Currently, they offer $5 credit per signup for US developers. Referring via the uber dashboard gives you $10. Am I missing a point or why would anyone use it if you don't get cash at the moment, get $5 less, it only works for US and you can't register people via the Api?