> I wonder if one day using a smart phone while driving will have the same stigma as a DUI (and similar punishment).

Thankfully, it is beginning to, in some places outside the US.

> You can be fined $1,251 and have 4 demerit points recorded against your traffic history for using a mobile phone illegally while driving. [1]

> 0.05 and over, but under 0.10

Disqualification: 1 to 9 months

Fine: $2,336 [2]

[1]: https://www.qld.gov.au/transport/safety/road-safety/mobile-p...

[2]: https://www.qld.gov.au/transport/safety/road-safety/drink-dr...