You need both. The biggest issue I take with good coders lead by non-technical managers is they invariably convince managment they need to rewrite everything i

You need both. The biggest issue I take with good coders lead by non-technical managers is they invariably convince managment they need to rewrite everything in the flavour of the month or architect in requirements so they can use technologies they're interested in. Inevitably, these guys are now qualified with a whole new bunch of tools, so they move on and hopping about the industry writing a whole bunch of software that relies on a datastore that doesn't actually save data consistently, for example.