Thus it has no specific meaning.
I have specific meaning to this, and I think all here understand what meaning is under this words. Maybe just because i don't want (or can't) to give more specific term, and don't want to write every time big essay about what i mean under this term.
Rather it's used by a person to smear those that do not agree with his views.
I said it many times before, but you can't disagree with the fact of climate change. It's the same as disagree with the fact that the Sun is rising on the east
Where I live, the climate often changes from the middle of the day to the early morning hours next morning. The temperatures are as much as 50 degrees F. different. This means that most of the people living in my area know about climate change.