Are you a west coast native? As a new yorker (and nj native), I've found that west coasters often think we're rude but I see it as just our communication style. We often interrupt and speak over each other, and really don't like being interrupted on a commute (which is often just walking somewhere).

Since working more with west coast devs, I've learned to be "nicer" when communicating. But still have the same habits with my family. To be fair I think that some these habits are good to break.