But the thread OS is about it not being a problem that SCSI-level flushes are supper slow, which is only not a problem if you don't do them (e.g. only use fsync

But the thread OS is about it not being a problem that SCSI-level flushes are supper slow, which is only not a problem if you don't do them (e.g. only use fsync on Mac)? But reading it again there might have been some confusion about what was meant.