Right. One key question is this: what does "high quality" mean? If your product is a first iteration on a web application, user interaction may be a key part t

Right. One key question is this: what does "high quality" mean? If your product is a first iteration on a web application, user interaction may be a key part to quality while database tuning may not. If your product is a data analytics service, database tuning may actually be very important while the user interaction may be less so.