If women see STEM positions as inhospitable working environments, online or otherwise, then it is our responsibility to work toward creating inclusive environments conducive to work by all. YouTube is only part of a much larger struggle toward equality in the workplace.
In my experience, I have been asked everything from if I have a stylist, to if I dress “nerdy” to better fit in my “role,” to what my reaction would be if approached to pose for Playboy. Scientists who take pride in their appearance should not also have to worry about their discoveries and accomplishments being undermined by questions about where they get their clothes or if they would consider increasing the popularity of their published works by taking those clothes off.
If we want to see diversity in these fields, there has to be a conscious rejection of and intolerance toward remarks in the media that diminish these achievements.