This is absurd. Even if Snapchat had a banner on the speedometer that said "too fast too furious," is that not their First Amendment right to expression? Since when is encouraging reckless driving a crime? (They didn't do that, for clarity.) By the way, my speedometer in my car goes up to 160Mph. That number looks pretty enticing. Is Dodge liable if I decide to try it out?
Here's Texas, for example:
Sec. 7.02. CRIMINAL RESPONSIBILITY FOR CONDUCT OF ANOTHER.
(a) A person is criminally responsible for an offense committed by the conduct of another if:
...
(2) acting with intent to promote or assist the commission of the offense, he solicits, encourages, directs, aids, or attempts to aid the other person to commit the offense;