Sure you can, it’s just the median of the range rather than the median person. For what it’s worth, I did look at age distribution statistics and there is some disparity but it’s minimal, which is why I wrote 40% instead of 44%.
Anyways, this is getting much too pedantic, obviously I’m not writing a scientific analysis, it’s just an internet comment, it doesn’t need to be perfect.
There is an absolute wealth of articles online about it, but here’s a couple points to get you started
https://www.thepinknews.com/2020/06/22/bbc-news-institutional-transphobia-kamal-ahmed-crispin-blunt-trans-media-watch/
https://www.vice.com/en/article/n7nv97/lgbtq-employees-are-quitting-the-bbc-because-they-say-its-transphobic