Kind of a flawed apples to oranges logic train here, but I get where you are going. I did state it would get to dictate engagements because that is one of the main advantages to a dd, the down side, which you are underscoring, A cruiser wants to shoot at dds. It has the best return on attack of any other target in the game. Now like any new ship there will be a learning curve for it and against it. I mean it didnt take long for people to realize that the daring had a massive glaring flaw in its AP DPM so Im less inclined to see this thing getting more then 2 salvos per ambush before being forced to retreat. If it can get more then 3 citadels I would consider that remarkable.
Im not sure I called it trash. I said it would end up a meme, but never trash. I tend to avoid this as some ship people say are bad like Colorado, I actually enjoyed and did rather well in. I will admit though when Kleber was shown I initially was not a fan till I played it and I was able to return to a playstyle I long missed. And then WG SAID NO. So Yes you are 100% right that judging before test driving tends to bandwagon bitching, it also creates and environment to be pleasantly surprised like I was with the Kleber and eventually heart broken by WG.
I would not say it is better then the Kliber or even soviet one. While yes it can do more damage via guns and concealment it lacks any other defense to survive after use of said guns. Both khaba and kleber have speed and the khaba can take a heal or a smoke. Having a dd whose primary weapon is its guns not have a defensive measure that isnt a broken commander skill not yet introduced feels like a bad idea.