Everyone's angry today about a sexist guide to "approaching women with headphones on" which encourages socially awkward men to ignore this obvious social cue and harass women in public. Nasty tips include "don't allow her to ignore you" and "don't allow her control the interaction." Typical pickup artist griftbait, in other words: selling an idea the reality of which will only make things worse in the long run for the losers being grifted.
For the record, here's a better guide to talking to women (or anyone else) in public with headphones on: