If immutable backups can be nuked by a single compliance delete request why bother making backups at all? All it takes is a delete request per day to get rid of

If immutable backups can be nuked by a single compliance delete request why bother making backups at all? All it takes is a delete request per day to get rid of them. By removing data and only keeping a 30 day backup any compliance deletes still simply take ~a month to complete.