I didn't hate Zestiria. The combat was janky and boring, but I don't play Tales for the combat. The story was a little bland and oddly paced, and I think Dezel was handled super poorly, but otherwise it wasn't that bad. I loved Sorey and Lailah. The game also had a good localization imo; the monster book and item descriptions were always enjoyable to read. Overall I consider it a mediocre Tales, but I still enjoyed it and Sorey is one of my favorite protags in the whole series.