BA may be gay-friendly in the air but it is a very different story on the ground. I recently did a secondment where, during the diversity training my trainer (who hailed from the diverse epicentre of Hounslow) told me that gays disgust her but she has to tolerate it due to legislation.
Once online, I had to endure systematic bullying from a supervisor until it affected my health. Eventually, I was re-deployed into another secondment which suited me better and was better paid. The supervisor was cautioned as there were multiple complaints about this person but no further action was taken.
I don't know the ins and outs of this particular case but given some of the fleet managers I have met over the years, this claim from Mr Andersson-Wood does not surprise me.