maybe they're right that crappy chartjunk graphs are better than crappy non-chartjunk graphs. But I don't think it's appropriate to generalize to the claim that chartjunk graphs are better than good graphs.
Is chartjunk undeservedly maligned? Possibly, said a recent post on Infosthetics. Andrew Gelman offers the critique I wish I'd written (instead of, shame, shame, frivolously linking without comment). The rest here.