I've also watched a few videos and was in two minds about whether to comment as I think I've been perhaps too much on the negative side in this thread and more than a little repetitive.
My overriding view, though, was confusion about why they seem to go so close toward Disney-level theming and immersion as though that's what they're aiming for, even in the portal concept, but then cut corners all over the place such that it doesn't quite get there. For example, Darkmoor has a lot that looks great, but why build a plain steel rollercoaster surrounded by nets and plain metal fences in the middle of it all? Or why not go all in on the portal concept and build up the berm so that the hotel tower is not looming behind the graveyard inside the entrance?
You've already covered all the many things in Isle of Berk where you think "couldn't they have just...?" In general, why invest so much into what could be a very cool "portal" concept without then putting in the effort to make them work beyond SNW and Wizarding Paris?
At the risk of being repetitive, after watching some videos, Celestial Park is still the area where I am the most puzzled by the excitement it seems to inspire from some. To me, it looks very much like it could be a new hotel, retail, and dining complex in Las Vegas or a Disney Springs-style venture. It is not bad, per se, but in terms of themed entertainment it seems more on a Disney Springs level than a DisneySea level. On that note, it kind of makes sense when people suggest it will become a park where locals would hang out after work and maybe get dinner or a few drinks as it looks like a venue designed for that in a touristy city.
Well, I think I've said too much and been too negative yet again! I am honestly glad that people are finding it lives up to their expectations, though, and just want to reassure you that I am also very negative about a lot of things current Disney is doing, too!