Are you saying that if they were overwhelmingly female that they would appreciate MATLAB more?
I don't know. In my only actual programming job in the early 90s I worked with some great MUMPS developers who happened to be female and they were at a far higher percentage of the developers I worked with than listed in the survey. I'm just pointing out that the demographics of the SO survey may not really represent what the programming community is, so what they say as what they like may not be reality.
Also, consider that it is Stack Overflow. It's mostly code-snipet "programmers" and people looking for help with homework.
That's true. It's been a real help in (re)learning Python.