The fact that I have no idea how to answer the poll is just a product of TW's cautious approach to characterisation and continuity, I think. Either answer works because they never wanted to cut off a possible future storyline - but really that just means neither answer is remotely satisfying (with added discomfort from defining bisexuality as not-making-your mind-up, instead of qualifying as a genuine active choice).

Greeks... is squicky as all hell, and the Evil Lesbian Converting The Innocent trope is definitely a big part of that, but I didn't get an 'ick, ladyparts!' vibe at the conclusion. They didn't follow it up in any interesting or meaningful way to redeem it either - but then this is Torchwood we're talking about.