Only because you refuse to read the various, extensive and well-documented exposés about him and how he conducted himself. I have read and watched several.I don't believe he is a conman.
Even in the early days, he didn't want to rent to African Americans.He isn't racist.
https://www.nytimes.com/2016/08/28/us/politics/donald-trump-housing-race.html
https://www.politico.com/blogs/under-the-radar/2017/02/trump-fbi-files-discrimination-case-235067
Seriously, you have a problem with the truth. The man is scum.