It has been understood you found something you wished to investigate further. You'll update them as soon as you find what you wish to know. The Calvary Captain has supported this view. Don't concern yourself with why he is aiding this.

[Kaeya had taken one look at the unconscious man and given him a sharp look. He can feel the icy warning that he'd spoken hanging over his head. 'Don't lose what's left of your humanity over him.' He picks up a steaming tray from a hidden table by the window and offers it to him.

The tray contains a tea to help pull the magic out of Childe. A bowl of a thick, hearty boar stew, and freshly baked bread buns.] Sit up and eat. ...you have my permission to tell them of my existence.

It was going to be uncovered one way or the other. It isn't as if it wasn't already suspected I never left my home. I know the files your people have on Diluc Ragvindr.