Not sure why you're being down-voted. (As usual here, only clicking a down-vote button contributes little value.)
- You are correct that implementing markdown consistently is hard because there is no real spec. CommonMark is a spec, which helps, but a heroically thorough spec, so it's still not exactly trivial to implement.
- You are correct that markdown can escape to HTML. Indeed certain marketing email "features" probably would do this?
If I am missing something maybe someone could make an actual contribution to the discussion and explain.
In any case I think by far the most important point was made elsewhere: Google AMP is awful for the web and for email, both.
p.s. edit: Actually, I think the even more important point is that anything except plain text email is awful. :) So there, sure, use markdown or org-mode formatting conventions. Humans are pretty good at handling messy human protocols.
- You are correct that implementing markdown consistently is hard because there is no real spec. CommonMark is a spec, which helps, but a heroically thorough spec, so it's still not exactly trivial to implement.
- You are correct that markdown can escape to HTML. Indeed certain marketing email "features" probably would do this?
If I am missing something maybe someone could make an actual contribution to the discussion and explain.
In any case I think by far the most important point was made elsewhere: Google AMP is awful for the web and for email, both.
p.s. edit: Actually, I think the even more important point is that anything except plain text email is awful. :) So there, sure, use markdown or org-mode formatting conventions. Humans are pretty good at handling messy human protocols.