If your bot farm happens to be domestic, exposing all the foreign bot-farms competing for the same audience seems like a no brainer.

Haven't they turned the feature off again already? (I don't have a twitter account, so I can't check)

It was useful to his political goals back in 2023/2024 when he was spending hundreds of millions of dollars to get Trump elected - it seems like he doesn’t think they’re still useful today.