Let's look at your example of min-maxing characters. With all the different customization possibilities for your character, such as augments, weapons, archetypes, classes, etc. There will be many different flavors if gameplay to create. With systems ranging from Node sieges to raids, there will be many different activities to apply those customizations of your character to. This, coupled with no DPS meters and no add-ons, should provide players with the means to create what they want, and not necessarily be wrong for doing so :)