I would say the opposite, it gives them less of a leg to stand since they cannot say that there's never any justification for emulation anymore like they said in the past.
Can’t distribute games or other copyrighted software with them, though. Of course that’s still highly likely to get you in trouble. And with the same caveat as anything legal in the US: it’s as legal as your ability to weather a series of failing lawsuits against you.
Seems like emulation is only fine if they make money out of it.
And then emulation isn't stealing anyways.
Or it’s just different corporate policies at different times being applied inconsistently.