Like, sure, if she'd been able to, she could have saved her investors a lot of money if she sold everything last year and held cash, with each of her ETFs remaining frozen near the top. But that would defeat the purpose of having ETFs open to public investors. And maybe so would buying instruments that hedge against declines in her picks.
Yeah investors who piled into her fund near the top got burned but it's not like they got bait-and-switched.