Given the rocky CEO roller coaster history of Twitter, I would recommend the board to sac Dorsey, nothing to loose here. He might be a good engineer but not a good CEO, and he's totally failed to increase the value of Twitter product for years (He was either the CEO or have a voice to make a difference).

- Twitter's user experience is a disaster. It changed very little for years, but there are many frustrations if you use it daily (small image popups, inconsistent behavior, scroll problems ...).

- Twitter do not kick trolls out or give you tools to do it yourself. It does not make any difference if you report them or not.

- News are plenty, but Twitter do nothing to ease the consumption. You can only unfollow to control the firehose, no other tools.

- Recommendations are graph based, not content based, although they have the data.

- Hashtags are not enough to access filtered content, either too much noise or too little signal.

... and many others.