That's not an opinion, that's a proven untruth.
it can't be your opinion that I'm wrong. You told me that I was incorrect.
Being right and wrong is a matter of facts. Facts are facts, and not a matter of opinion.
Having a weapon evolve in a series of quests and then abandon it for no reason just to get another weapon that contradict previous facts doesn't make any sense at all.
Fact: people understand coherent stories much better than incoherent ones.
ergo I'm right and you're wrong.