Two users downvoted the [META] comment. One of them withdrew their downvote after I posted the grandparent. So not exactly arguments, but there does seem to have been a general preference revealed for not having a meta sub-thread.
I didn't downvote, but one possibility is that they prefer that the meta thread is posted by the first person to post in it rather than at the same time as the open thread. In that case they only downvoted the TLP because the thread was empty/clutter.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
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Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
3. Open Threads should be posted in Discussion, and not Main.
4. Open Threads should start on Monday, and end on Sunday.
If you have any comments about the Open Thread posts themselves or this post specifically, please post them as a reply to the [META] comment. Aside from that, this thread is as organized as you collectively wish to make it.