Yeah, I saw that. It makes me mad actually. A simple glance at Dean's IMDB page would prove that he's done a TON of work since L&C. Maybe not blockbuster hits, but he's always been very upfront that it was his decision to take on smaller projects so as to be able to raise his son.
Henry's career is still in the early stages. Plus, he's starring in Batman vs. Superman. He hasn't had much time post-Superman role to see how things will pan out of him. It's really not anyone's place to say his career has already ended.
Then again, most cracked photo contests are filled with garbage, so there's that.