Sentence-by-sentence rebuttals are not very effective. And they're never the best you can do. Why are you wasting my time nitpicking on 'legend tells us'? It's silly to tell me I needn't bother with the original - and then take me in excruciating detail through it.
It's not explicit in the original or explained well in this rebuttal but the "legend tells us" is basically a way for the original author to call the current author a liar without actually coming out and saying so.
The line after that phrase is about Ogg being designed for Video codecs, something he clearly doesn't believe as later in the same document he suggests it was originally only intended for Vorbis audio.
See footnote 26 and the section that references it in the Monty document for a counter to this popular misconception.
You're right that those points are valid (as are the rest). Nits don't happen because some people like to dawdle. They happen because there's a lot of valid points to make. Which makes it particularly important to spend time finding the right ordering for them!
(and to prune the ones that don't flow. Which would you prefer, that 10% read everything or that 75% read the 10 most important points you want to make?)
