Many run into this when they learn the hard way that “RAID is not a backup” as wiping out all your data on one set of disks also wiped it on the other. Ditto for naive replication with no rollback capability. It’s a fancier version of the same thing.
“DROP TABLE customer”
“Oh crap! Better failover to DR. Oh crap! It’s dropped there too?!”
“DROP TABLE customer”
“Oh crap! Better failover to DR. Oh crap! It’s dropped there too?!”