Well, in pharmacology, if the effect is local, it's of course absolutely awkward to use it in any other way than as a local treatment.
Basically, if I have no intention of using a service then I won't bother reverse-engineering it.
Anybody can have a birthday. It requires nothing. Murderers have birthdays. It's the opposite of anything that I believe in. And I don't like at work where you stop everything to sing 'Happy Birthday' to someone. I feel like that's for children.