Nowhere have people that argue dark and gritty put forward the statement we don't want sunny weather or bright days. The older trailers (VGX/SOD respectively) did have sunny days and beautiful scenery but still manage to have a much "darker" or if you prefer unnerving tone and atmosphere
And that tone and atmosphere to me and others have change through the newer material so that the mood of the game is to some extent seems less mature, less worrisome and more "cartoonish/happy" - and I say cartoonish/happy in the lack of a better word. It doesn't reflect the turmoil the world is in.
And as I state this "dark and gritty" approach is not exclusive made through graphics but many other factors too such as soundtracks, story writing, AI, NPC behavior and so on. However through the use of certain graphics and here I primarily think about art direction, color palette, tones you can come a very long way in pulling on the atmosphere you want your game to reflect.
I wrote a post on that earlier
http://forums.cdprojektred.com/threads/34018-Graphic-downgrade?p=1564668&viewfull=1#post1564668
We can each use these words for our own arguments. You say the world is less mature in its current state, I can argue that it's less mature when everything is gloomy at every corner, because that's trying to bear down on you in a a very forced manner. I find it more believable that a huge city of trade remains colorful and energetic, even in times of war - especially when the fighting isn't near it. The sun still shines brightly and people go on with their lives if there's no tangible and immediate danger in front of them. Ahk, to be honest, I'm no longer sure what "mature" and "gritty" mean. People can take them to so many directions.
If we were shown gameplay of Geralt walking through a battlezone with green grass and dancing maidens I'd agree that it's cartoonish. War has a noticeable effect on the areas it passes through, but it doesn't have this all-reaching influence on the world and it doesn't contaminate the weather, the buildings and the daily mood of people.
You also mentioned in one of your posts that the world is facing destruction. Even if it is, it's not this evident threat, but a very low-profile one that almost everyone in the world isn't even aware of. In the books it's mentioned that the Wild Hunt was once responsible for the vanishing of twenty people in Novigrad, and that was considered an extreme, noteworthy case. Twenty people isn't exactly epic. It makes it sound much more like some local and fleeting nuisance than a world-threatening power.
You mention soundtracks, and two come to mind. Ladies of the Woods and Merchants of Novigrad. The first one sends this uneasy feeling creeping up your spine, and the second has this infectious vitality about it. There's a balance here. The world can be gloomy and it can be chirpy. I don't think that the gameplay footage makes it appear only one or the other. Novigrad was a lively place, as I think it should be. The swamps were an overcast area, as I think they should be.
I don't want this to come off the wrong way - I love the VGX trailer, I find it amazing. But I don't think this change in atmosphere CDPR did is out of line with the world. I think it's more true to the franchise, honestly. We can still like the "gritty" (gritty is all the rage these days, isn't it?) feeling of the VGX, but I remain unconvinced that this is the more fitting direction for the franchise. It's a very colorful world with very colorful characters.
A final note - maybe balance is more effective? If the world has this constant, forlorn air to it, then I think a player (I will, anyway) develops a high tolerance to it. When I'm led to feel that everything in this world is crap then maybe there won't be any impact once something bad actually happens.
I get what you're saying, and I'm definitely not against making this a seperate topic to be discussed in another thread, but isn't the fact that CDPR seems to have changed their approach in regards to the game's art direction intricately linked with more than just a small portion of the downgrade talk (as nonsensical as it may seem)?
I really don't see how it is. I think tying the matter of a change in atmosphere to the matter of a graphical downgrade is hijacking the second term, because it's very sensational.