Ted Lemon wrote:
At present, we do not have a feedback mechanism at all.
"restrict posting" in rfc3005 is the feedback mechanism we have at present. Because of the harsh nature of the mechanism, the system is harmed by the mechanism, unless feedback gain is very small.
not exactly “imposing constraints,” but rather, strong and careful curation
How can it be "strong"? By "imposing constraints"? Masataka Ohta