The people working on this need to stop, sit down, and have a long, hard think about what they're doing. And about how ultimately this will be used to persecute and gill gay men.
From the abstract: "Additionally, given that companies and governments are increasingly using computer vision algorithms to detect people’s intimate traits, our findings expose a threat to the privacy and safety of gay men and women."
Acknowledging that data analysis can create obstacles to freedom or serious social problems is a necessary step to preventing or addressing these issues, but public opinion is far from being there yet...
Articles like this give the impression that the authors are internet hustlers, not proper grad students.