Obviously there are many factors, those included but I wouldn't be as quick to discount ideological factors as many people are doing. The Metoo stuff...actually

Obviously there are many factors, those included but I wouldn't be as quick to discount ideological factors as many people are doing. The Metoo stuff...actually this has been bubbling long before as a general feature of puritanical 3rd wave feminism really has put a damper on things, not just through direct fear instilled into men but generally moving the overton window of sex in society's subconscious.