The company lost half of its value in six months, according to Elon Musk himself [1].

Anecdotally, due to Musk's support of extreme-right views (for example re-inviting Trump [2], supporting DeSantis [3], or protecting bullying [4]), many people have left in protest and so these views are over-represented on the site.

The word "decay" seems appropriate.

[1] https://www.nytimes.com/2023/03/26/technology/elon-musk-twit... [2] https://www.cnn.com/2022/11/19/business/twitter-musk-trump-r... [3] https://slate.com/technology/2023/05/elon-musk-ron-desantis-... [4] https://www.nbcnews.com/tech/tech-news/elon-musks-new-twitte...