The interesting takeaway is that this means the mastodon migration is having a notable enough effect that Twitter is now blocking it.

Do I have to be logged in to see threads now? I can only see the first tweet that ends in “Long thread emoji”

Remove the trackers (everything behind ? in the link) and you will see the thread. I was logged in but couldn't see the thread until I removed the tracker.

For some reason his replies aren't at the top, you have to expand past the first few replies.

He had a different reasons however. He said it would be because he can't make any political side happy. We see here different behavior which is tyranny and unrelated to any political aspects. Probably most entrepreneurs have some level of egoistic, self-righteous, tyrant behavioral aspects but private control of social media, gateway to all people, really allows one to exercise and amplify it without any controls. This is why democracy was invented.