That is the critical point. If boys and girls are brought up with the opportunity to learn without a lot of stupid baggage based on sexual stereotypes, they can become equally good at whatever career or hobby they choose to follow. My own hobbies include dressmaking; a friend learned to weld so that she could mend her car and make replacement parts for her AGA cooker. There is no reason why we shouldn't learn to do these things if we want to.
I know a woman who would have made a fantastically good engineeer, but she was brought up under the influence of a mother and a maiden aunt who would have been horrified at the prospect of her having anything to do with engineering (if they had ever been told what it was) She was brought up to be 'nice' and 'ladylike' ...and unemployable.
I also know a man who holds a senior engineering position, having worked his way up from the shop floor. He is absolutely clueless when it comes to designing, planning, fault-finding or even understanding how things work and would have been far better off in a job where the excellent interpersonal skills which he posseses would have served him well. Unfortunately he has been brought up in an atmosphere where he would feel his masculinity was threatened by the mere hint that he might be good at 'womens' work.
I would not suggest that someone with no muscles (male or female) would be good at heavy labour or that someone with no mental aptitude (male or female) should take an intellectual job, but I would say that there is no reason why anyone should have their abilities and interests stifled by being forced to conform to stereotypes.
Is there any indication that she had not?
Absence of proof is not proof of absence.