Really? All these sales are to upstanding citizens wanting to save a traffic stop?
Then why isn't the app called "traffic stop"? Its called "Tipsy" or something like that. It covers only DUI traffic stops. Who is this marketing to? Who is buying it? We all know the answer.
Yes, its good to protect freedom of speech. Its also good to make the streets safer. And DUI is a real problem, not a strawman.