Yeah, that sort of thing - by giving permission on a per email basis, they are then allowed to look at that particular email to see how/why the model is miss classifying it, AFAIK
(That's different than just marking an email as spam, though)
(That's different than just marking an email as spam, though)
One time, when I marked a bunch of incorrectly-classified emails as "not spam", the Gmail web UI asked me if I wanted to send these emails to the Gmail spam team. Was this what you meant, or something else?