Rules of Thumbs?

I think we should get rid of rules of thumbs. Increasingly, i feel like no one has the same thumbs or they don't have thumbs at all. Wore itso i what is a rule of thumbd, let's not even go national. Just in the city or or like a california rule. I've go, i've got one for you. The one that jumped straight to mind a, the, the,. the gass company, shell had this, like, driver safety serie that they did in the seventies. They'd have pamphlets you could pick up at the filling station. A, but they oute side of these t v commercials.