You are defending the devil (perhaps also your own addictions) both by utilising a combination of delusional hairsplitting and purposely trying to sway users away from the grayscale experiment, something which takes no more than 10 minutes to convince anyone.

You are the one displaying a lot of intellectual dishonesty here, by trying to spread uncertainty among readers, even though this is as clear as sun on a sunny day.

The effects of colours having different kinds of psychological effects are well documented. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4383146/

The neurological and psychological abuses employed on digital screens akin to slot machines is also documented, since social media apps and most audio visual content on computers employ same neurological hack techniques as that of slot machines.

https://neurosciencenews.com/visual-sound-slot-machines-15816/

https://www.fastcompany.com/3046149/applying-the-addictive-psychology-of-slot-machines-to-app-design

https://www.sciencedirect.com/science/article/abs/pii/S0166432812006456?via%3Dihub

https://www.gatewayfoundation.org/addiction-blog/how-gambling-affects-brain/

Irresistible by Adam Alter is a great book on addiction.

I personally think that because of corrupt and malicious people like you defending such crimes perpetuated using neurology and psychology, this society deserves everything that is coming towards it.