If you're not seeing it, it's statistically highly unlikely that you're not coming into contact with it. Reading and understanding feminist perspectives can help you become more observant. Hacker News provides plenty of opportunities for practice identifying hostile-to-women comments.
If you're not hearing about it through word of mouth, then it could be that you don't talk to a lot of women in tech, or don't talk to them about these issues, or you aren't fully hearing what they're saying. It could also be that they don't feel comfortable in discussing them with you. Look at your language and behavior and think about what could be sending unintentional messages that cause people to steer clear from this discussion. How many can you spot in this post, and in your reply to Anil?