There were two unrolled theads linked above; they explain very well about Mueller and RR.
Copying for convenience:
https://threadreaderapp.com/thread/1104506681323606025.html
https://threadreaderapp.com/thread/1104523968554389504.html
(dancing in glee ha ha I was right...)
dancing in glee ha ha I was right...****************************************************************************************************************So hoping you’re correct on this LJ.