And you should have used some common sense.
Yes, and because it was a longer quote, he should have also indented and used a smaller font. He also shouldn't have cut off the first letter of the quote. I don't even understand why many on FR italicize the words to which we respond. Why not use a different font size, color, or typeface? Or, why on simply use quotes?
I think we're all familiar with writing style for real essays, but we're often guilty of being too lazy when online. I don't always capitalize everything, and everybody knows online posts often contain atrocious grammar and poor spelling.