Yes, but at the time, her name was Bradley Manning. I generally split references to Pvt. Manning based on time. I don't find it insensitive.
You don't get to decide that ;)
I think you'll find transgenders, et al, having to live the lives they do, have developed a far more nuanced take on public perception than fits with the role most of their self-styled allies have assumed on their behalf.
One of my first patients was an HIV positive stripper who presented with shingles. During the history, I noted the off-label estrogen and the B cup and asked "Darren, what pronoun would prefer?" "He is fine, but whatever makes you comfortable" he said.