I have also sent the BBC feedback to say "thanks, but I can't believe it has got to this point where I am grateful for the BBC to allow universally-known facts to be stated".
Yes I noticed the XY instead of XX slip. I don't think it mattered though, his point was very clear. I noticed Sharron yesterday also said "YY" chromosomes instead of XX. Must be very nervewrecking to be on the radio and know that your every word will be scrutinised for "transphobia" and of course people will make mistakes.
I am a huge fan of Prof Brewer.
I don't mind that it was 3 men talking about women's sport (on International Women's Day!), as long as the message gets out, and women saying the exact same thing would just be bullied and their universities would be pressured to sack them.