So, I have a question then: What exactly made it modworthy?
Because, frankly, asking "can you condense that down a bit so I can understand it" seems like a perfectly logical and reasonable request to me, and that's basically what a tl;dr is.
Was it a tone thing? If so I think that's kind of silly as well, but will respect the mod decision to moderate the original post. I do think this highlights the need for an exceptions rule to the "automatically mod all responses, even if later ones are constructive" thing.
Also,