Looks to me like these discs weren't created with an integrity hash, and so MakeMKV assumes they are corrupt. (But I could be totally misunderstanding what the "content hash table" and "hash check" are all about...)
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Backing up disc into folder "/Volumes/Media/To Do/Discs/FiresideACast" AACS directory not present, assuming unencrypted disc Content hash table missing, unable to verify integrity of M2TS files. Error 'Internal error - Operation result is incorrect (227)' occurred while reading '/BDMV/STREAM/00001.m2ts' at offset '9957672960' Failed to save title /BDMV/STREAM/00001.m2ts to file /Volumes/Media/To Do/Discs/FiresideACast/BDMV/STREAM/00001.m2ts Backup done but 1 files failed hash check
If I'm right, is there any way to turn this behavior off and just trust the content? Any other suggestions?