Swept under, almost certain. They have neither the time nor resources to track down the offenders.
They should have done an immediate roll back the minute the bug was discovered. It is all under the bridge now. Be thankful those that ride free. Hopefully, there is Karma in this world but I seriously doubt it.
Nought's had, all's spent, Where our desire is got without content;'Tis safer to be that which we destroy Than by destruction dwell in doubtful joy.