Also the act defines financial gain not about money, but about things 12ft.io engages in :"‘The term ‘financial gain’ includes receipt, or expectation of receipt, of anything of value, including the receipt of other copyrighted works."
Goodwill is considered value, even is included in company valuations. If 12ft.io expects or receives goodwill (which it does), it has financial gain.
And there's still simple good old infringement, at $150k a pop, which would likely put 12ft.io on the hook for millions to billions of dollars. Each unique article served carries a $150k bill.
There's also likely many other statues, such as accessing a computer for committing a crime, which is yet more federal prison time.
Whomever runs 12ft.io had better hope they can hide before someone locates and charges them.