Good question.
I have always disliked Donald Trump because of his character, his ignorance, and his personality. Nevertheless, I wanted him to win the 2016 Republican primary. This was not because I thought he would be easy for Bernie Sanders, who I voted for in the 2016 Democrat primary, to defeat. It was not because I though he would be easy for Hillary Clinton, who I voted for in the 2016 general election, to defeat.
It was because he seemed to care about those who had been left behind by the economy of the twenty-first century. Someone described Trump as "a third party candidate running as a Republican."
When he cut taxes for the rich I was no longer able to forgive his deficiencies of character, personality, and intellect. The fact that he refused to concede the election to Joe Biden, who I have always liked, even though I do not think he is up to his job, reinforced my dislike for Trump.