Some things don't deserve a response. In that cases it's perfectly acceptable to note this and move on with your life.
If you correct every brain-dead thing people tell you on the internet, either never say anything remotely controversial so you don't get ill-informed but confident replies, you spend all day correcting people, or you literally just started saying things on the internet to tell me how to live my life.
If you correct every brain-dead thing people tell you on the internet, either never say anything remotely controversial so you don't get ill-informed but confident replies, you spend all day correcting people, or you literally just started saying things on the internet to tell me how to live my life.