Oh I understand why A movie would be made about him, just interesting he got one before Siegel and Schuster or Lee and Kirby, arguably more iconic creators.
Well, sex sells. That's why the trailer seems to be pushing the polyamorous side of his life. It's salacious and will draw in the male contingent.
Simultaneously, they seem to be emphasizing how liberated and forward-thinking he, his wife, and his girlfriend are in terms of how they all contributed to Diana's characterization. So that pulls in the feminist crowd.
So let's just hope that they balance both aspects in such a way that it doesn't offend both groups of people.