I expect it’s because of Twitter requiring readers to register and log in.

https://www.theverge.com/2023/6/30/23779764/twitter-blocks-unregistered-users-account-tweets

Twitter got even worse again recently

Meta’s new app Threads plans to federate with the fediverse. They specifically mentioned mastodon. That’s probably why.

They’re sick and tired of Twitter I guess 🤷.

Twitter rate limiting and broader fediverse awareness.

Cuz reddit and Twitter are going to hell?

Lenny is showing them how well a fediverse can work, so they want to try more social media based on it. Also twitter is a tire fire right now.