Don't mix use cases. Privacy is different from uniquely identifying senders. The reason for random email addresses is YOU finally can identify each vendor uniq

Don't mix use cases. Privacy is different from uniquely identifying senders. The reason for random email addresses is YOU finally can identify each vendor uniquely by the email they send you stuff. It isn't about anonymizing, it's about identifying them. I've been doing it for 30+ years on my own domains.