jm &ÛT½j| \|]ù&éü×»<'àEOôaáϧ®L¡Yeah no surprise that you didn't get the reference. And no, "they" cannot rollback anything, please point to an occurrence, we'll all be here waiting patiently.
https://whatsonchain.com/tx/f54ea5a1e7696a5b1eae27c9572eefe6ab5f2712fd541730a4f311156f52aa7b