I said I'm against unsupported speculation, not against data. We have plenty of good reasons, supported by data, to believe that men make better professional footballers.

I am not aware of any peer-reviewed study that shows men are better suited to computer programming that women. What I said was that throwing around speculation in the absence of data was prejudice and I stand by this.

I also did not make the claim that men and women are equally suited to every type of activity. However, making the leap from "there might be some activities for which men are statistically better than women" to "computer programming is once such activity", especially in the absence of evidence in the form of rigorous peer-reviewed studies supporting your position, is sexism.

That is labeling something as an unacceptable thought.

You're free to think what you want. However, I suggest that you examine your thoughts closely and study whether there is any truth to them before posting them on a public forum. I'm asking for honesty not thought-policing.