Most people aren't able to observe and willingly acknowledge their emotional response to a given issue, others don't think deeply enough to understand why disagreeing can sometimes lead to a clearer understanding of both their position and the world around them.

People parodying two completely different court cases against each-other and claiming some kind of "injustice" is a common example of this. It's charitable to even consider this kind of lowball mental gymnastics a middle-school level of argumentation.

Tbh, I think most people who haven't studied logic or understand why first principles are important just let the current tide of politics / emotion completely drive their perception.