>>531068924
The other characters are spelling out "thank you" on a keyboard

I had assumed that Kris was basically blind to our perspective in the same way that we can't hear them or see what they see, and that when Ralsei would distract you by asking you to think about something else that was basically giving Kris a break while you temporarily disconnected from them.
But the Chapter 4 scene is different. When you think of Noelle, Kris seemingly gets so stressed that they pass out, and even on the normal route if you think of The Knight they'll distract you by suddenly focusing on Jockingtong instead. This implies that Kris CAN see what you're seeing.
But, this still might be different than the other scenes, since instead of being sent away to follow someone else's perspective we're probably just making Kris imagine things. The Knight wasn't really taking off their helmet at that moment, Kris was just imagining it, which is why they're able to distract us with a silly vision of Jockington and Temmie in a nest full of soccer balls. The scene with Noelle... well, the red dot is Kris focused on the blood dripping from her finger after we pierced her with the thorn, and maybe she said "Thank you" like that before Kris left her.

>>713869470
It's an interpretation
But I'm pretty sure it's just supposed to be blood dripping from her finger