The reason we are so uneasy about this is cause it would be building a feature for 1 person.
How would anyone know to add the magic syntax?
subject: I can haz tags
body:
This is a topic I am making with
tags: bob
vs
subject: I can haz tags
body:
This is a topic I am making with
Tags:bob
vs
subject: I can haz tags
body:
This is a topic I am making with
Tags=bob