Yes the discussion has progressed. If you look through my feed, you will see me attempt to evolve the discussion on the Knots side, but also try to amplify the Core side without any backing voice behind it. On the surface the filter is unimportant, but not in the depth. If you re-read my 6:39am message, you will see me evolve this discussion further as well. I am by no means an expert, but I am unaware of any expert on the Core side speaking out.