In my opinion, if anything, what makes these pictures less than ideal is the property itself which has nothing to do with the real estate agent. It's actually a net positive for potential buyers seeing all aspect of the object - what else should the agent do, hide unfortunate corners? Right, like anyone who actually cares to go and look at the property before buying it (so almost everyone) would not see these things…
I'm not sure we're looking at the same photos... for some of them, sure, you're right. But many are bad photos like those you mention, except more egregious (hence they deserve the place on that site). The "garden" in one picture is rather awful, but why put that plastic chair facing against the wall to make it creepy on top of that? Why take a picture half naked (or not half - thankfully we'll never know) in front o…
Turns out, the wife was trying to make it unappealing. She didn't want to move, but her husband did. I wouldn't be surprised if something like that was the case in at least some of these photos.