it may mean that they will make an effort to go into schools or advertise the career options in areas have not done so in the past, in a manner in which appeals to women rather than men.
I don't think that's going to be the issue it will be the ~10 years of low salaries, no certainty and a lot of financial risk that will be what turns them off.
If you want more women in aviation you have to increase the participation rate of women which as Keg pointed out earlier may never happen for a myriad of reasons.