Kaya i wonder how, a person with such millions of fund will be so dumb to enter its seed phrase to a site.
Tingin ko dito, it was done personally, we all see in the movies about rich guys falling into love scam traps, right? Baka ganyan ang nangyari - someone was able to personally access the victim's seed phrase, either nasalisihan 'yan or baka ipinagyabang niya sa kausap niya (with a little help of alcohol, everyone gets boastful and naive lol ). This may sound far-fetched, but it does sometimes happen in real life.

Baka burara 'din magtago ng seed phrase niya, keeping it on his physical wallet, maybe?
According duon sa news parang nagkaroon ng control ung hacker duon sa hardware wallet, ibig sabihin nkasaksak ung hardware wallet palage sa pc nya at hindi niya inaalis possible kasi, and maaring nainfect na ang computer nya ng hindi nya alam, at nagmamatyag na ang hacker possible naganty ng tamang pagkakataon ang hacker, at hindi rin ata pwede na wala ung hardware wallet or i mean nkasaksak siya dun sa device kasi nacontrol or nakagain ng access, kaya mahirap talaga, kapag hindi mo na need disconnect ka agad para safe, at the same time possible walang code na nilagay parang lock, not sure lang anung hardware wallet ang gamit niya.
May auto lock naman most ng mga Hardware wallets, sa Ledger - after a few minutes, kinakailangan mo na e input ulit PIN mo to access the wallet, same sa Trezor. Even if 24/7 pa naka-salpak 'yang hardware wallet ng victim, hindi rin mamo-move 'yung funds without confirming it on the hardware wallet itself. This can only be bypassed if may access 'yung hacker sa seed phrase mismo ng wallet.