Given that it's illegal to retaliate against employees for unionizing, would shutting down the business entirely in response to unionization trigger legal liability?
This is why reporters need to form independent, co-op, subscribers-funded news in order to avoid the strings and slavery of corporate advertisers and exploitative owners. Corporate news doesn’t work.
If it wasn't profitable, then the owner was essentially donating money until now and this whole thing would've ended even sooner under other conditions.
Members of the union would then be free to collectively band together and purchase such assets if made available for sale as a whole.