Many people don't really think about their language. They kind of snap their phrases together like a child with those big duplo blocks.
Most of the time that's fine, if a bit limiting. But occasionally you get glimpses into how communication could be clearer, or more accurate, if they thought about their words more.
I partly blame our public education system. Not enough funding, some funding misused, other problems I don't even know about. But it feels like a lot of people are barely educated, and don't have any intellectual curiosity.