There are a lot of problems with this season. I’d argue that “difficulty” isn’t even the main problem, merely one that gets talked about often because, for most players, there is currently no tangible solution to overcome that difficulty.
Meaning- If something is too difficult, you don’t just abandon it for the rest of the season and have some kind of “Zen-moment” about being a terrible player that needs to stick to terrible content. Instead, you put it off for a bit, until you get more gear, then you try it again later.
That’s how WoW works, and has worked for a very very long time.
Yet what we’re stuck with now is this incredibly awkward gearing system. On the low-end, almost anyone can get gear handed to them that they can easily cap out at 619. Then on the high-end, anything that allows you to upgrade gear past 619 has been severely gated.
There is no longer any sense of “medium-tier” progression.
You can get Champion gear from Normal raid, Mythic +2, and Delves. You can crest-cap on Runed crests doing nothing but spamming Mythic +4, and upgrade all of that Champion gear to 619.
Meanwhile the person doing Heroic Raid and mid-tier keys (5-8) is also seeing nothing but Runed crests, and also seeing their gearing options cap out at 619 (aside from a couple rare 623 pieces).
You need to do Mythic +9 or Mythic Raid in order to make the loot you got from a +7 better than the loot someone else got from a +2?
You need to do Mythic +9 or Mythic Raid in order to make loot from Heroic Raid better than loot from Normal Raid?
This is really basic stuff. It’s a gearing system where you can’t progress from Step 1 to Step 2 until you’re already farming Step 3. Meanwhile most people want to progress to Step 2 so that they can have an honest shot at Step 3.
It’s no longer a staircase, it’s a wall.
And to specifically address “difficulty” beyond just gearing; The issue is not so much whether an individual person is skilled enough to do a +9 or not. It’s really more about multiple issues coming together to create a social nightmare.
For example:
Challenger’s Peril Affix - doesn’t actually make the content itself more difficult for any individual player, but merely serves as a force multiplier for everything that is already wrong with M+. It has FORCED groups to become extremely picky about who they invite. If you have a +9 and you know that one pug player that dies a couple times could be the difference between 12 or 5 Gilded crests, then you’re probably going to wait and only invite people who play FOTM classes and overgear the content, just to be sure. No one would risk giving anyone else the chance regardless of their actual skill.
With the number of people clustering around 619, the gear at that level is quickly becoming meaningless, forcing groups to rely on things like Raider IO more than ever before. That means, in many cases, you have to waste a lot of extra time doing meaningless keys just to hope that someone invites you, when really, we’re already at or near the point where people are going to only invite others who have already been carried across that Gilded-Crest wall by others.