I might not be getting paid for this, but it does mean I can branch out of just doing lists, and there's nobody to tell me I can't do a topic because it's not trendy enough.

Nice to not be the only one who’s been sick of Batman for years.

Desperation. If the situation got really bad, to a point where the Imperium needed more Space Marines but was struggling to provide them, it could be the neccessary push to start trying to make gene seed work in women's bodies.

I did a bit of that as well. My first thought was if it was a technical limitation, than someone figuring out a workaround would be the logical direciton. Then I learned about how stagnation was a big theme in the Imperium. But I might have another angle...