@birdcat Please read the edited version of our response above, and accept our sincere apologies for sharing some links that were irrelevant to your original concerns: https://mastodon.social/@protonmail/111958985077770856.
The benefits of running Proton's services under Swiss legislation described in the article above remain correct.
@rdyoung It's not possible to delete additional addresses by yourself at the moment, because addresses can't be recreated once deleted, so they need to be deleted from our end to prevent potential abuse.