Okay, I spoiler tagged it. Sorry about that.
You did, however, ask me to elaborate. While I do think present-day Zelda has a bit slow, weary, ethereal sounding voice, I’m saying there’s an obvious reason for it. To each their own opinion, sure, but I feel you’re being too harsh on the character by saying her dialogue is the one glaringly annoying flaw especially in comparison to Skyward Sword. I’m saying there are reasons why she sounds the way she does; and given that I didn’t know if you meant Zelda from the memories or Zelda from “The blood moon rises again…” I felt obligated to defend both.