The article or the thread? The article is just a list of who’s demanding payment from Twitter and how much Twitter owes each company. The thread explains why Twitter has a confusing system of multiple offices and a brand new expensive building (that they are not paying rent on).
Federated actions are never truly private, including votes. While it’s inevitable that some people will abuse the vote viewing function to harass people who downvoted them, public votes are useful to identify bot swarms manipulating discussions.