Just an interesting sidenote. It does feel like the letter is shorter than it used to be, so I plotted the number of pages by year in the PDF fils on their site. Looks like there was a decrease from 20 pages to 15 starting in 2017. Graph: https://imgur.com/a/TQ2oewY
This is a shockingly boring and cursory annual letter. Most of it reads like a copy-paste from all of the previous letters (retained earnings, bonds bad, why non-Berk conglomerates suck, insurance float is awesome, etc). OK, it's nice that Apple did some stock buybacks, and that they did too. Uh, what else? It was a whole year. And what a year - what it doesn't say is far more important than what it does. Where's the…
We might as well ask why his shareholder letters were interesting before? It’s a fairly unusual tradition.
Maybe the next CEO will have something to say, but it’s pretty optional.