Agreed. I think any talk of the problems of online anonymity should be focused on bots first and foremost. From my understanding, it's pretty easy to detect like 90% of bot users. Can't we go after those instead? I don't really care that real people online can be mean anonymously, because at the end of the day, it's just one person. But an army of bots? That has a much stronger affect, especially when they all amplify each other's posts and game the algorithms so that they get promoted and seen by more people.
Any talk of the "dangers of online anonymity" that isn't about bots is just a deceptive way of arguing for more online surveillance. This example seems especially egregious, because they're somehow using an MP's murder to push it even though it has literally nothing to do with it.