The trouble with the ACM Special Interest Group on Computer Architecture (SIGARCH)

SIGARCH has many issues. A short list is included below.

The SIGARCH blog publishes a lot of problematic articles, see here for more info
Many members of SIGARCH were involved in the failed investigation of the alleged ISCA'19 peer review fraud
The International Symposium of Computer Architecture (ISCA), the flagship publication venue for SIGARCH, has enough problems we have an entire page dedicated to it.