Twitter and all forms of instant messaging (SMS, WhatsApp, Discord, and the older ones like AIM/MSN/ICQ) have normalized it for many years. Sam is just one of the few large company CEOs to tweet in the style other Twitter users usually use. He's adopting the native culture rather than setting a trend.

Sam still uses capitalization in all of his essays, as do most people (including young people). In essays, like this one, it's distracting without it. I predict in 10 years the vast majority of people will all-lowercase on places like Twitter but almost no one will do it for essays.

Well at least it makes it easy to know who to avoid

That is so incredibly dumb. I can get it in a tweet, but please, please, please properly capitalize in anything longer than a few words!

i don't want to press the shift-key everytime i need a capitalized letter on my phone and i disable auto-correct because it constantly messes with native languages etc.

wasn't aware that this makes me a steve jobs copier :(

EDIT: people are seriously so emotionally invested in capitalization that i get downvoted into minus, jeez.

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> It's a fad associated with AI, popularised by Sam Altman especially.

I know this is true but does anyone understand why they do it? It is actually cognitively disruptive when reading content because many of us are trained to simultaneously proof read while reading.

So I also consider it a type of cognitive attack vector and it annoys me extremely as well.