It might seem a push to even label this a debate, as on the face of it surely the tabloid habit of using topless pics to sell papers is simply sexist and this objectification objectionable?!
Well ... there is the post-feminist line that this can be considered an expression of
self-confident, equal women's sexuality, that they exercise choice and control. It can also be argued that the viewing male [a presumption in itself of course] audience is rendered a weak supplicant before this display of inner strength.
That can be debunked (isn't this free market rhetoric too easy, not to say optimistic of how things actually work, and the power relations at play?)... but shouldn't be glibly dismissed.
Here's a snippet from a feminist's rebuttal of a defence of page 3 by The S*n's new editor: