This.
If Trump didn't start the Iran war, Texas, South Carolina would still be red.
Ordinary people only voted blue because gas prices were hurting their bottom line.
Trump oversaw the US succumbing to COVID pandemic. People still voted for him second term. Biden led one of the most remarkable economic recovery in modern times. People still were convinced by endless propaganda that economy was in the shitter and voted him out.
Due to all the tribalism created by social media, US government has become like any other third world nation where every election cycle people just vote the opposition into power.