But then you’re locked into Apple, you still need to have another email service behind it (iCloud, Gmail), and you don’t choose the emails you sign up with.
I can look at all emails coming into “netflix@nostraycows.com” and know immediately that I gave that email to Netflix. But if someone emails “psychic-dinosaur57@icloud.com” it’s a bit tedious to figure out who that was even given out to.
I find it so tedious that I have a feature on the roadmap where we’ll let you label those iCloud privacy emails (if you relay them to a Jade email) so you can actually keep track of them.