Yeah, and I use email for work everyday, and it's used as the main way of authentication in the free web... anyway!
I guess it will change now with this "age verification" thing that will put a barcode and a chain on your neck and bring you to the Trumpywood Teslapark dystopia they're sorta building.
About half of all email messages are spam nowadays (https://www.statista.com/statistics/420400/spam-email-traffi...), and that’s less than ten years ago.