It’s fun to slam two entire professions at once, particularly ones that have made me personally miserable. Not fair, perhaps, but fun.
Dunno why, but I am more satisfied with this gag than I’ve been with the last few strips. Yet it was written from the depths of an uncharacteristic bout of depression, and without much effort or enthusiasm. I guess I’ll never understand the process of writing jokes, no matter how much I dissect and study it.