I think this is the critical point. I’m also well outside of the geographical place (US Midwest), and hear this term used to apply generically to the tech indus

I think this is the critical point. I’m also well outside of the geographical place (US Midwest), and hear this term used to apply generically to the tech industry. I’ve had interactions with people from that geographical area who not only don’t do this, but also get a bit irritated and quickly correct anyone who does.