Illumination draws on her own knowledge of other humans that have changed their pronoun use and knows that this is important. There can be a good deal of fear around it and given her own moral code, she has to respond in a certain way.

"I'm glad. You, and everyone else, have the right to be as you truly are." Assuming it's welcome, Lu gently touches the back of Tyler's hand. Just a little gesture of solidarity. "And, should anyone here be an ass about it, I'll happily curse them to piss spiders for a week."

As you do.