I enjoy both and find that it's not that difficult to find male guro if your search is specific enough. It's certainly easier to find female guro, but there's plenty of both out there.

The problem, for me, is that a lot of the male guro I can find is paired with humiliation fetishism. I like gory porn of all genders, but I find humiliation a bit of a turn off. There's far more porn of women who want to die, or who are in a death situation due to chance... While a lot of the male guro I can find has narratives that are all about the guy being worthless. Female guro does this occasionally too, but it's easier to skip over those because it's a smaller percentage.

Also, I find that male guro concentrates almost entirely on the cock & balls. Female guro certainly has its share of focusing on pussies and boobs, but there's plenty of female guro that's focused on the full body as well. Legs, back, eyes, neck, face, arms...