Do people really have a hard time remembering their phone numbers, which are relatively private?
Having one's date of birth signalled to the world is an obvious breach of privacy in the modern age, and since there is obviously no need for it, it shouldn't be used.
That you have 'never heard of a concern' not hugelry if there are obviously people who are going to take umbrage - moreover - in this new information world order it can be used for all sorts of shady reasons.
There's clearly no need of it.
If the scheme were designed today, there's a 0% chance of DOB being used in the number.
