It does mean that if those are the only two choices on the table and you must choose one-—and the chocolate is a fungus that will spread over your kitchen and kill you.
No "therefore" about it. If I hate vanilla, that doesn't mean I love chocolate.
It does mean that if those are the only two choices on the table and you must choose one-—and the chocolate is a fungus that will spread over your kitchen and kill you.
Even if that's true, it's still false that "to bash Romney is therefore to praise Obama."