There are laws against cellphone use in cars, right? Those laws are made, under the *assumption* that accidents are caused by cellphone use, right?
If accidents are caused by cellphone use, then accidents must be going *up*, simply because cellphone use is going up.
But, accidents are actually going DOWN. It turns out, there is absolutely no correlation with cellphone usage and accidents.
Likweise with injuries.
The *only* positive correlation is with revenue. The cellphone laws are PRIMARILY about *revenue*, not about safety.