> This feels like the result of a competition to design the worst possible user interface. To about 5% of people it might be an accessibility feature, to everyone else it's worse, and people with beards, marks, or dark skinned faces are going to find it a disaster.

You say that, but I have seen in the wild a scroll gesture to increase or decrease the value of a telephone number.

Wasn't even capped at zero, so I could scroll to a negative (phone) number.