In its time, the Edsel was more meh than hated. Mainly people didn't buy them because they were essentially pricier Fords and it was a recession year, and Ford threw in the towel for Ford-internal political reasons. The looks were not as much of an issue as people think today. It certainly didn't have the same political associations.

Good book on the subject: https://www.sup.org/books/history/disaster-dearborn