Respectfully, I’m still not convinced.

Yes, seeing Qui-Gon is nice, but it’s not nice enough to commit us to a 60 minute arc.
The Ahsoka fight is cute, but it’s so dependent on preserving the whole (unless you keep it as part of a vision)
Healing Ahsoka isn’t, in my opinion, really a tough choice or a powerful moment for Anakin since Sister has just conveniently handed him that power for free - there’s no personal cost, so for me it’s as emotional as administering available medicine.
Other force stuff- Agreed that the more you add the more it legitimises other stuff. (But is it good?) Yoda’s stuff was good and added texture to the force (though I do have a similar problem with “WE ARE FIVE LITERAL BEINGS OF THE FORCE”, etc).
I was wary of the World Between Worlds, and still am, because time travel is a risky thing to introduce to an established franchise. But to date the one time it’s been used it’s been used to very important emotional effect. I think the WBW is helped by the fact that Sidious was involved, which to me helps legitimise it as an extremely secret secret.
Noted that the World Between Worlds was linked to the door with the Mortis family mural. But to me I’d rather that be some weird hint at a wider context, rather than a reminder of a context I think does the opposite of add value.

Still, at least it’s a very available arc that needs no editing (if you do want to watch it), so nobody should have a problem viewing it if they want to. I just wouldn’t recommend it to someone who wanted more SW after watching the Mandalorian.