Re: "Peer"?
"the æ grapheme"
Typographically, that's a "ligature". Ligatures are of course graphemes, so your phrasing was correct, just non-specific.
But yes, the voting pattern in this particular thread is odd. I assume the good doctor was downvoted primarily for suggesting that ISPs aren't inherently evil and that John Oliver is not the font of all wisdom, but the anger directed at Jamie Jones is harder to explain. Maybe everyone with the surname Jones is on the hit list today.