If each individual is solely responsible for his/her thoughts notwithstanding any outside stimuli (whether intentional or incidental), if modesty is merely a flawed social construct, and if immodest dress cannot cause another person to be distracted or to think or act inappropriately, then other than for protection from environmental harm perhaps we should not bother about wearing any clothes at all. We should all be able to go about in the buff without a second thought. We would all be less hung up if we just wore a smile. What is the purpose of modesty?
On the other hand, speaking of shared responsibility for stumbling blocks, the Savior said,