[wisienkas]

I mean you could simply setup a registry of Aliases for emails to achieve the same effect?

On the same note, isn't phone numbers being more sensitive information than email nowadays, hence you might not want to share it.

[A4ET8a8uTh0_v2]

That ship seems to have largely sailed and the trend will be hard to reverse given how cell number has started to become all-purpose ID number tracker.