With the amount of story-breaking plot holes and the blatant misunderstanding of the story, I would not be surprised in the slightest if they did this.
Oh no, I agree. Speaking for myself at least, they couldn't actually ruin what Miura has done. Maybe I could have been a little clearer there. It's more the fact this glorified fanfiction is being treated as official Berserk. Knowing that any future adaptations or anything will look at this and...
Credit where it's due, they did an incredible job destroying this manga and what Miura built. Which I can say because they deemed their portion of the story as worthy enough to carry the exact same namesake as Miura's Berserk..