Yes, with extreme colors the camera profile really sets the stage for downstream shenanigans. I have a special profile for extreme blue.
Reading your posts, I think you probably need to do some research into the color management mechanism in whole. You’re seeing interesting things as you change profiles, and showing some wonder about why. I went through the same angst recently, and it wasn’t until I wrapped my head around the whole camera->working->display/output color thing that I realized the goofiness on my screen wasn’t necessarily about the proximate tool…