Comment by diimdeep

I think it is bullshit, because black and white slot machine still is a slot machine.

[1]: https://www.theverge.com/2015/5/6/8544303/casino-slot-machin...

[2]: https://www.1843magazine.com/features/the-scientists-who-mak...

[3]: https://www.theguardian.com/technology/2017/oct/05/smartphon...

[4]: https://venturebeat.com/2016/04/02/app-makers-its-time-to-st...

[5]: https://medium.com/@anamitra/dopamine-hits-and-product-desig...

Turned on grayscale in macOS(System Prefs - Accessibility - Display) before googling this articles, can confirm that still receiving dopamine hits.