Crypto is definitely a male dominated industry and as Edward Bernays demonstrated with cigarette ads for women in the 1920s, sex really does sell.
Sex and drugs are unbeatable for marketing. There are overly and subliminal messages in this video associating sex with bitcoin:
https://www.youtube.com/watch?v=A5isBTX-rSg&t=83s 
It is normal that the industry is being dominated by men because that was how it has always been since the beginning of the world, the male are always more of an hustler because they want to make their family proud and also get a lot of money to take care of their family including their wife and their children, but a female is just concerned about giving birth to children and getting married to a good and handsome man one day that would be able to take care of her and give her all want she wants.
