I think she is going out a too hard but I otherwise agree. In fact I wouldn't mind something more revealing it's not that big of a deal. But that.. no. The literal purpose is to make guys want to bang you hence the name Virgin Killer Sweater. So I can see why people(same as me) are strongly against this specific sweater. I'd much prefer clothing that's more normal. Like.. a normal sweater?
To be honest with it's name and meaning it really is close to a "slut sweater".
Edit: also, lol if you think this is winterwear.