That's easy to say if you're not in the heat of battle. Declaring war on the fabric of reality has a lot more to it than simply ignoring its footsoldiers, and doing so is a bad strategy.

An unfortunate (or possibly fortunate?) feature of the current fabric of reality is that super-sentiment doesn't give you super-power.

I can't imagine that Harry, after having been through this event, gives even one iota of a shit about any of those things. When you declare war on the underlying fabric of reality, petty things like dark wizards, magical castles, and star systems really just aren't relevant in the grand scheme of things.

If you can read things like, "He may have damaged His Father's Rock." and not realize that it's not to be taken seriously--

Actually, that's an unfair assumption. You might be ignoring the humor intentionally. I don't know to what end you would do so, but that doesn't mean you don't. I'd like to hear how that tool works out for you, if it does much, if you don't mind.

If you are blind to the humorous intent then I don't really have anything to tell you about it that you don't already know. I'm sure that if that were the case that you'd already be aware that people pity you.