It is not a joke, I understand the argument of immutability, but as you omitted (I believe that was one of the arguments made in favor of top-posting in the Hacker News linked earlier), I was reacting to a large mail size, body size creep is a reality, and I was merely suggesting a solution for problem at hand, where that leads further is for a whole another debate and all factors would have to be considered in such, and I am not looking into having that debate now.

TL;DR it is something other members of the community can think about and we can decide months later, or never open again, but it brings the so called 90% upside with the 10% downside, we live in a world where we don't delete emails anymore, they are archived,...