As if there's any secret to Twitter that any person couldn't figure out, we're talking about 280 character messages. I hope they both just cancel each other out.
Scaling it to Twitter’s size is the difficult part. Although Elon has been doing some excellent work in bringing decades worth of engineering work into decay within the short span of the past 9 months.
Facebook is significantly larger than Twitter, in the Billions (depressing). Guessing they have decent ideas how to scale an operation in the 10s of millions of people.
I wonder if Elon helped bolster engineering jobs in other companies. Like "See what happens when you get rid of the engineers you think you don't need?"
Meta (for better or worse - definitely for worse) definitely is one of the few entities with the engineering expertise to pull it off. As for driving Twitter employees to its competitors, that's definitely happened.
Last I heard, Twitter's engineering team now mostly consists of a skeleton crew, and the only reason they're likely there is because of the terms on their H1B Visas.
edit: Slightly misread the second point. Given the rounds of mass layoffs in tech companies, I am not sure Elon's Twitter has served as much as a warning as it should've.
Threads is bootstrapped off Instagram. People I know who tried it out like it because they don't need to rebuild their network, it just copies the Instagram followers over so you start with all your follows and followers. Instagram also has over 2 billion users so they probably just tacked this on top of the existing Instagram infrastructure and called it a day. Instagram already supported comments so the backend for this probably required minimal changes.