Rather than speculate on anecdotes, perhaps we can focus on actual data[0]. 2014-2015 only saw a +280 change in fatalities caused by distractions (read: texting).

Florida and Georgia combined saw a +190 drunk driving fatalities in the same period.

EDIT: found a more specific report about electronic device usage: https://crashstats.nhtsa.dot.gov/Api/Public/ViewPublication/...

[0]: https://crashstats.nhtsa.dot.gov/Api/Public/ViewPublication/...