Prevent? No. Continually add friction at all stages, from conceptualizing, staffing, funding, and interacting with the larger techsphere while competing for earned media, virality, etc.? Yes, absolutely, with predictable effects.
One way to understand the effects of systemic "isms" is that the targets have to continually deal with a headwind that others don't, and the cumulative effect of this is like compound interest. The supposed meritocracy of technology that's blindly present in the download screen hides all the non-meritocratic context leading up to it.