Do you think they will ever

Kay. For the sake of argument, lets say Nexon came out with a new claw that boosted attack by 50% (Dexless too, wouldn't put it past them.) and I made a Bandit. And for whatever reason put all my points into L7 and bought out all these ultra rare gach only claws with the money I "earned" from merchanting. Would it be fair for me to tell Sins to stop complaining/being greedy, and that if Nexon wanted them to have it exclusively that I would not be able to equip it?
(Answer the question, don't nitpick on whether or not this is possible.)

A more plausible scenario would be Nexon coming out with elemental swords and the heros hogging them and paladins complaining, but I won't answer the question.

That's not funny, there is a Bishop who lives under my bed named XXNARUTOHEELZOR98XX. He gives me night terrors. :<

LoL.