I think you're misunderstanding. They didn't request to have their account rolled back three months; they had requested a rollback three months ago for something that had just happened, and it took all that time for it to be implemented.
That seems to be stretching the example - Square Enix certainly hasn't deliberately written that text to be misleading so you accidentally destroy your materia. Also, here in Australia at least, it's very standard for clothes to have their washing instructions printed in a small tag sewn to the inner seam, written in monochrome 6-pt ALL CAPS, so if that's a legal standard for clear legible communication of instructions then the only improvement I can see is that they've at least put it in a list. It's still very wall-of-text.
Or another example, and one that you certainly couldn't make an argument that the company might want it to happen... food allergy warnings. I've just gone and looked in my pantry. There's hardly anything with a food allergy statement that doesn't say something like "Contains gluten; may contain milk, peanuts, tree nuts" in small font, possibly all caps, possibly wedged between multiple other lines of text.
If you have a milk allergy and failed to spot that in the list, I doubt you'd be able to argue that they didn't warn you. There's no way multiple companies would be formatting it like that if it wouldn't be legally considered sufficient warning.
Edit: The core of my point is - yes it's miserable for you that this happened and it "wasn't your fault" that you couldn't read it, but that doesn't mean they have automatically legally failed you and you have the right to demand compensation.
If anything it might be a warning to you that you can't rely on your own reading ability to keep you 'safe' if a similar reading failure happened in a situation with real consequences.
If you now know you can miss things in a list formatted that way, you can be wary of that and get a second opinion if necessary.