Any theories as to why rational dialogue is so rare these days? Why can't people listen to new facts and debate?

Reason/Logic is the beginning of thought. Emotion is the expression of thought. . .and there are people who drive in reverse while going the wrong way on an one-way street.

Typical leftist projection.

When you say things like CO2 is a pollutant, while it is a scientific fact that plants use the carbon and release oxygen that humans and other oxygen breathers need to scrub the carbon out of their systems.

When you say boys can be girls and it is fine to take advantage of their superior musculature in women's sports.

When you say that President Biden is doing a good job...