The unintentional humor may be that, at first it may be funny that the pot is calling the kettle black but really, it's just sad that someone has to bring up an irrelevant point to make himself feel better about himself. I would think someone who has or has had a similar problem, could emphasize and show a little compassion. The piling on with all the fat jokes by others missing the irony of the OP just shows a bunch of juvenile behavior by half-wits.