It's a bad habit...can't figure out.why so many do it...
Figured I'd comment since I live here and experience this phenomenon nearly daily...
A LOT of it is a certain demographic for certain. I can nearly throw a rock and it'll land in Mexico and I can't tell you how many times you come across someone like that and they have MX plates. They drive however the fuck they feel like because most law enforcement agencies don't want to deal with them unless they've wrecked or doing something REAL egregious. It's like it's an away game for them and they'll do whatever the fuck they want.
Snowbirds too, especially this time of year. Doing 10-15 MPH under in a camper with a trailer, etc. You'd think they know better but they're an entitled bunch of assholes.
Interstate speed limit is 75 MPH. I typically camp in the right/travel lane at or very near the speed limit myself. I'll let it out every now and then but I don't want my ride getting seized and end up as one of AZ DPS's pursuit vehicles.
That being said whenever I see and asshole RIPPING in and out traffic, weaving and going WAY above the speed limit, pushing triple digits it's nearly exclusively a Kalifornian asshole of some variety. On more than one occasion I've seen them pulled over by DPS miles up the road and always give a friendly beep and drop the window and :