> do you expect your bridge or your gas line or your house's electrical layout (once it's installed) to be changed every month or quarter to handle new load, pr

> do you expect your bridge or your gas line or your house's electrical layout (once it's installed) to be changed every month or quarter to handle new load, produce different results, or even change its feature set? More than that, the reason most tech companies don't have a salaried plumber is because most tech companies don't rely on a plumber to try to increase the revenue of their core business model.