It's even public! See: https://lists.torproject.org/pipermail/tor-consensus-health/2020-November/01...
Those nodes triggered an alarm on our side for being a potential sybil attack. So, we kicked them out.
Isn’t there a time correlation with the “Possible compression bomb; abandoning stream.” warnings operators are reporting today: https://lists.torproject.org/pipermail/tor-relays/2020-November/019060.html? Perhaps related?