I agree with @siggy47.

Very good points. I especially liked:

Instead, I had to post to SN before drafting a comment. That comment took 10-15mins to create after the post went live. Potentially lost eyeballs.

it would have been much more convenient to have drafted it together with the original listing.

the absence of a description field makes most posters not even consider creating a comment of any kind.

I'll create a ticket :)

edit: here it is