But with quality, not just noise.
I hope you're not aiming that at me Dave...
No, but I certainly left room for a misimpression, didn't I? Careless of me.
... my post per day count has fallen rapidly (about 0.5%), so I'm hoping that the quality of my posts has started to improve.
I am pretty sure those are independent measurements.
It runs the whole spectrum of course, from low content infrequent posters to high content prolific posters. Most all of us (certainly me) have been guilty of a few silly or low content posts. It is really only low content frequent posters that bring things down.