When the vast majority of their output is targeting a mostly male demographic, and being sold almost exclusively in an environment that attracts mostly men, that may be so. But it is a situation of their own making by making their product offering so niche.
> are really only frequented by men because WOMEN DON'T CARE ABOUT COMICS
... in the US. Unsurprisingly, given that they mostly sell products not targeting women... in the US.
Basically, if they want to change that and widen their market - which is clearly possible - given that this is a US pecularity - they need to be willing to invest in it over time. Their alternative is to fade into irrelevance, given that they've managed to even lose a lot of the younger demographic too in the US.