Speaking of coincidences, I really don't think such things exist, and maybe there is a real hacker under the scenes, but the real fact is that money remains in the addresses.
An the simplest explanation is almost always the truth. The private keys or passwords to decrypt the wallets(if the seed phrase wasn't stored properly) were lost.
B.V, instead of recognizing that, preferred someone to steal from him than to acknowledge his ineptitude.