For all the channels through which public relations practitioners are exhorted to engage in professional behaviors, it seems there will always be those who ignore the advice and take the easy (that is, lazy) route. The latest evidence: an aside during a conversation about the usefulness of voice mail on episode 150 of “This Week in Tech.” Engaged in the conversation: host Leo Laporte, Jason Calacanis, Tom Merritt, and (kicking off this clip) the Houston Chronicle’s Dwight Silverman: