It could be profitable if gamers cared about it. Most gamers will continue to support a company no matter how bad that company treats them. http://i.imgur.com/KNaiK3R.jpg
Most video game related companies have horrible customer support. They don't hate us, they just don't care. Good support is not profitable in the gaming industry.
So it's an exploit if you invoke on more than one character, and it's just as bad as the auction exploit? When did Cryptic/PWE say we can only invoke on a single character? If I play one character and invoke on it regularly and later decide to play a different one, do I have to continue invoking on the first or can I start…
Rangers in DnD use melee. They were originally based on Aragorn but possibly influenced later by Drizzt Do'Urden. They can dual wield non-dagger weapons, like scimitars.