The point is that Huntress is well past being in a state where she'd sleep with someone unless she really wanted it.
Now I've had time to think about it, I think that's the point of Josh re-appearing a while after that. The point was to show that faced with very similar behaviour, Helena didn't react the same way.
I remember someone saying somewhere that Ollie is so straight he goes all the way through the other side. I see what they meant.
I do get the feeling that TPTB at DC are a lot more comfortable with female heroes who are gay than male heroes who are gay.
Well, we've had Dixon giving us plenty of Babs/Dinah subtext, and Grace/Anissa, and Renee coming out, and Batwoman being a lesbian, and occasional nods to lesbian relationships among the Amazons.
Meanwhile, as male gay characters are concerned, I remember... wait for it... wait for iiiit... Kyle's assistant, right?