Sure you can print USD to make it all magically go away
But it would be very convenient if there's some experimental token of which a majority was stolen, so that irreversible damage was caused. If the token is experimental it could have a low damage, but could demonstrate the irreversible nature of these types of attacks, returning fiat money doesn't waive the issue away.
There's also the fact of funding criminal networks for billions of dollars, which probably causes them to scale cyber or non cyber operations or otherwise gain power.