Excellent points, but I'd quibble -- slightly -- re moderation. Seems to me, we rather regularly have to use [gentle education|caustic reminders|a large cluestick] re some ill-considered moderations. I know-- I was there.

But yes! Those who seek to be pmdevs in anticipation of "cool coding" may well find that replacing leaky faucets; whitewashing the stonework and the like is *NOT* what they expected, but even those "tiny incremental steps" can require a quite subtle understanding of the entire layout of the plumbing or the limits of the walls' absorbancy.