They can just scan and open and reclose the mail they do this to everyone now I am so serious. Difficult to do at scale though so honestly I take it back, if everyone did it the mail way it could increase surveillance costs? Escalating everyone’s piracy to require forensic cracking at a federal or international level would skyrocket costa which should be a goal
Search is really useless and made even worse by federation never working as intended (even after subscribing), just try any of the Misskey forks and you will see what I mean. There are too many things to list.