Have you played the games? The vast majority of it is just home decorating. It's more of a house cleaning/ decorating sim than anything else.
It also doesn't glorify selling houses. It idolizes giving someone the best home for their lifestyle.
I hate landlords and corporations owning single-family homes, but house flipper isn't either of those things.
The guys post history shows he's into guns and shrooms. He's got some strong opinions on kids while being less than a model parent.