I thought this stopped since the early days, and that Dilbert started its popularity due to a move to the workplace?
"The comic strip's popular success is attributable to its workplace setting and themes, which are familiar to a large and appreciative audience; Adams admitted that switching the setting from Dilbert's home to his office was "when the strip really started to take off."
- http://dilbertblog.typepad.com/the_dilbert_blog/2007/07/the-loser-decis.html