Publications on the topic are more than rare because the whole thing has become a very tactical, ugly and legalized ‘game’, which will hopefully not end with two losers, and rich advocates (like it happens often in conflicts like that).
Felix Rohner was publishing a “statement” around a week ago. Interestingly, Felix’s statement was published a bit ‘hidden’ – it is not in the menu on the PANart website.
So here is the direct link (language versions: de, en, fr)
Felix’s statement : https://panart.ch/en/eintrag/forumtext-de
HCU : https://hcu.global