Worse still is the implication that he was complicit in the uploading or transmission of illegal images. Any messaging or image based app is going to have to deal with that - young apps are especially vulnerable to abuse because it's expected that they not have robust security or a large enough staff to close the floodgates.

While the dude's clearly a jerk, his first startup sounds like it died a death that was out of his hands, not a result of his being a predator.