AMP email will silently be less used.

Email encryption, even if gmail is anouncing so, is not a win yet.

Email as the Interface can be a great way indeed. See https://shaarli.lyokolux.space/shaare/RT9psQ

Notion integrated emails in 2024. See https://www.notion.com/product/mail. All services want to integrate emails. Other tools are doing so.

1. Please make each program do one thing well
2. It's only an add-on
3. it more complexity than first though: dates of brith, email address patterns, time zones, diferent names of humans...
4. A waste of developer time