Marketing to people, not to genders, is better for everyone.

gender neutral

Think of it as the marketing equivalent of Switzerland. From strictly a monetary value, excluding any part of your potential audience, by assuming what one group, but not another, would be interested in, is already an inherently limiting idea. From a social value, showing support for all humans builds your brand as egalitarian and trustworthy. Check out what their saying about this over at Marketing Week.