I think the media and pundits on both sides have constructed mental pictures of the "enemy" in the minds of naive voters, which don't accurately describe the people in the opposing camps. During the Bush and Obama administrations if you did a study where you asked GOP voters to describe how they think DEM voters would describe there political views and vis-versa there was a much bigger gap between what Democrats thought Republicans believed and what Republicans themselves reported then the other way around. Although I have not seen data from the trump era I suspect that the discrepancy would be in both higher in both comparisons.