In my mind, the distinction is whether the decision was thoroughly considered. Contrast these two attitudes: "PG is a common choice, which is valuable. We unde

In my mind, the distinction is whether the decision was thoroughly considered. Contrast these two attitudes: "PG is a common choice, which is valuable. We understand our requirements and options well enough to consider it appropriate." vs: "PG is the one we've heard of, why would we look at anything else?"