Uninformed opinions.
Slowly dragging humanity towards extinction.
I say this as someone who has been (and still is) as guilty as anyone else.
I form and express opinions without any research.
OK I read more than most but even my sources are not necessarily accurate. I assume they are. It's easier.
I have neither the time nor the inclination to research all sides.
We all like to form and express opinions on little or no information. A headline will do. A word is better.
Hell in a handcart. Four (or five) words.