If there's one thing I learned from being a year and a half on this forum is that people are eventually going to complain about everything, figuring out what feedback is legitimate from the...uh...Ludd-Posting comes with experience and common sense
Yes I agree what people do here only complain about everything is overpowered )
Retry, why do you want to make all ships same? Just leave them be, all games have under-performing stuff for early game and over-performers for late game, its good, its called progression, the game itself is sandbox without any end goal, and I personally explore in order to get better and better stuff, if everything will be the same level of power there will not be any sense to seek specific good ships. I agree with
Megas about Doom, maybe its strong, but it should be, otherwise it won't be useful at all, considering what phase ships in general very vulnerable and their role is being glass cannon, vulnerable but powerful.
From all you complains its look like what you want make all on same level of power, but I think it should be both bad and good ships, all games use this formula, every FPS game have simple pistol for early game, and more powerful weapons for mid and late game, and etc.
Its logical what pirate wrecks and Low Tech perform worse that High Tech, its stated in lore what Low-Tech is simply outdated stuff, like Onslaught which was made before shields were thing, and pirate ships are poorly maintained.