op exhibited a point where if we do not know what we do not know--the estimates are always off by many order of several magnitudes. if op consulted an experien

op exhibited a point where if we do not know what we do not know--the estimates are always off by many order of several magnitudes. if op consulted an experienced plumber--the estimates would be off probably by an addition hour. if a junior dev estimates, yup, I can change the API endpoint in 10 minutes, he'll be wronged by the nuances of several intermediate steps: - code - review / merge - deploy to qa - qa testing - deploy to staging - deploy to prod likewise for plumbing: "mom, i plugged the leak with a band-aid."