[Ben Mugged]

You need to read the entire article. There are numerous states where you need the owners permission before the data can be retrieved. And, there are only 5 seconds of data.

[Tench_Coxe]

"There are numerous states where you need the owners permission before the data can be retrieved."

Don't worry. That loophole will get closed. First, require the item on every car. Then, pass a law to suspend a person's license for 6 months if they refuse.
Trust me, that will be next.