Don't you do it somehow? Plus a filter doesn't have to be 100% right all the time. Filtering out what is 99% certain to be or not be spam and leaving the human to cover the tiny number of messages that fall into a grey area would still save a ton of time.
Yes, but I rely on my own personal experiences (online and offline) to determine whether an email is real or a scam. Unless that AI filter taps into my memory, it will likely lead to too many false positives and false negatives.
