Just like the women in the swim race, the original thread in AIBU on this subject has now been relegated and plonked in Feminism - Sex and gender discussions just as it was coming to the thread limit. Even though the thread-link still suggests it's an AIBU.
Never fear - I've created a new thread in AIBU in case anyone wanted to continue the conversation there!
www.mumsnet.com/Talk/am_i_being_unreasonable/4509136-Part-2-Female-swimmers-beaten-by-transgender-athlete-stage-podium-protest-at-unfair-result