Okay now I really don’t get what you’re on about.
The art is not what you want because you think it indicates a desire to have the broadest appeal possible? Is that right? I’m not being rhetorical, I want to be sure I understand before I try to engage with the idea you’ve put forth.
OK let me try again.
1. I think whatever you want to call it "Blue/Purple/Pink" everywhere, is over done, and I personally dont associate it with a 'Fantasy' palette, but perhaps a "Fantasy Sci-Fi" one. This is a personal issue, as a preference, I want more...pastoral tones?
2. I see the usage of that palette, in combination with an active push towards being 'safe' (no Bikini Chainmail, no brutal violence, no 'edgy'ness and instead pushing to be 'cute') as a way to be as broadly appealing as possible, not for any kind of artistic sake, but to literally be as corporately cynically 'cool', safe, and popular as possible, in a bluntly obvious desire to maximize profits.
3. Before anyone (not you
@doctorbadwolf but in general) bleats at me that they (WotC) are a corporation that is either desiring to make money, or god forbid, mandated to make as much money as possible, my own view on corporate America is not, and never will be, one of tolerance or appreciation for their position, practices, or integrity, aka: I dont care.
4. Do I feel the art reflects a desire to have the broadest desire possible? Yes. Do I personally feel that detracts from the product? Yes.
5. Look at the Planescape style from largely (competely?) DiTerlizzi. It may not be to everyone's liking, it may not be dark, or edgy, or violent, but its absolutely something which speaks to that time, and makes itself unique to that setting. I find the art from these other recent books all just bleeding together into...a Blue/Purple/Pink mass, just like the art I called out yesterday, and the DM screen I pointed out today. Heck, I could find the same style as these recent D&D works, in MTG probably with minimal effort, and you can certainly find it online.
EDIT: Notice the style of the 3 lands here for example. This block these came from had distinct styles for each of the 3 lands part of the various factions. Its not generalized, there is a 'something' that the art direction was going for.
3 Magic cards found where the card types include “land” and the set is “ala” and (the artist name includes “michael” and the artist name includes “komarck”)
scryfall.com