Yes, I believe this question is a good candidate for a Community Wiki model and possibly a moderator Wiki Lock. There would be a single answer which any user could edit to add additional information, instead of several incomplete answers.
TL;DR: This was not a stance; merely a misremembering of what I assumed to be network-wide consensus. There was also some confusion as to where the comment originated from.
Can I get a better understanding of why the mods don't think this is acceptable use of the Community Wiki?
Just like real humans, I can't hold every piece of ...
No, you shouldn't incorporate them into yours, unless they are simply suggestions to improve your own answer.
Each answer should stand alone. In community wiki, this enables each answer to be commented upon separately and clearly. Also, of couse, to be voted upon separately - even if the votes aren't racking up reputation, it allows separate discussion and ...
Moderators have a lock we can place on questions to prevent additional answers from being posted.
Lock this post to encourage users to edit existing answers. Remember to remove unnecessary answers and to mark questions and their answers as Community Wiki posts.
(Note that Community Wiki etiquette changed a few years after this text was written, ...