"... Sometimes perhaps it's best to \ "let the house burn down" (metaphorically), and start afresh with fewer, \ and presumably wiser, fellow travellers..." Burn down the house to get rid of the rats.  Makes a change from getting cold feet and  declaring ' Crypto Winter '.  Zeneen, Gramps, Batshit-crazy - Bitches leave. Don't let the burning door hit your butt. https://www.google.com/search?q=kgb+door+fire&client=opera&hs=cHS&source=lnms&tbm=isch&sa=X&ved=2ahUKEwjcrtu2g4rtAhU7zzgGHQK8ARMQ_AUoAXoECAQQAw&biw=1366&bih=658#imgrc=EKqUfLCNVpljwM