In the letter, he explained that writing a brilliant, long memo requires the writer to understand the subject well. It also requires the writer to “improve results through the simple act of teaching scope.” By that he means doing a great job requires effort, not speed. “A great memo probably should take a week or more” to write, he said in the letter.
“We read [the memos] in the room. Just like high school kids, executives will bluff their way through the meeting as if they’ve read the memo. So you have to carve out time so everyone has actually read the memo – they are not just pretending,” he said.
Original source: Jeff Bezos admits Amazon has ‘the weirdest meeting culture you will ever encounter’, Business Insider