Yeah, I get it, I unfortunately live in the real world too. I like to keep it plain text whenever possible but it's extremely useful sometimes to have inline screenshots and stuff like that.

I didn't mean to be sarcastic but it's just that to me, philosophically, email is a plaintext technology that had HTML bolted on to it kicking and screaming, and it's always been kind of crap. People like me hate things that are fundamentally ugly and crap even if they are useful. The web was designed for HTML from the start.