But why male models?

Thats very cool, i havnt looked into China's research on crisper treatments yet. From my understanding generally the treatments are not expensive to make at all after R&D, and would be pennies compared to a life long regime of drugs. It's just not profitable enough to make a cure readily available.

There is a documentary on prime video about biohackers and what big pharma is doing with crisper. There are already some treatments with crisper out, for example to cure blindness from genetic eye disorder. But the treatments(in the US)cost anywhere from 100k to 250k per dose, and it takes multiple doses over a period of time. The biohackers could make the same treatments for a few hundred bucks. One group were even working on a treatment for hiv and had a volunteer take a dose in the first trial. I know a lot of new treatments for all sorts of things are just around the corner. But availability I think is where the issues are going to be. Especially until they aren't considered experimental. I'm sure the big companies would miss their profits from charging insurance companies for drugs at 10000% markup for the rest of their lives, so they charge the equivalent for a cure that cots pennies on the dollar from tax funded R&D.