I think you have the investors here a bit pigeonholed.
Just because the most vocal and frequent posters also happen to be the most inarticulate doesn't mean the rest of us have any problems interpreting Eric's verbose memos.
His ostentatious flourishes amuse me, and bring a smile to my face whenever I consider the time and care he takes in composing his responses.
Big words aren't necessarily a sign of intelligence, but his writing style - to me any way - suggests that he considers his core-base of investors to be intelligent, educated people.
To me, it feels more like chatting with an old-fashioned aristocratic friend from your past. If there is anything the guy seems to be, it's old-fashioned.