Men online are different than men IRL. There's no filter and no consequence to restrain misogynists online. Plus, there's anonymity. The internet is a hostile place for women because these deep seated behaviors and desires are free to run rampant and unchecked.
Trolling is a real thing. Digital harassment is a real thing. Threats and inuendo are a real thing. These guys also have a tendency to both swarm and hunt to harass and stalk. They've basically been given a bye by platforms.
Her comment to Human Revolution acknowledged that.