That needs some citations. "Dark mode" is the theme du decade. Most things have dark modes or night modes - operating systems, productivity tools, websites, chat programs, game menus, developer tools, browser chrome, mobile and desktop, traditional and apps.

> "The designer choosing that certain (more monotone) color schemes are not permitted could be conflated with designers making other decisions on behalf of the user, such as assuming the user would prefer fewer options for the sake of simplicity. ("Treating the user as inept")"

If you're exhorting me to have a charitable interpretation of the above comments, why aren't you taking a charitable interpretation of the designer's intent? [And why is fewer options connected to 'inept'? Do you feel inferior when there's only one lightswitch in a room instead of 8? Because somehow more options automatically means more competence? In any situation, the amount of possible options is enormous and the amount of useful ones is a tiny part of it; the most likely thing is that more options are acreted by lack of design and kitchen-sink driven development and are useless or time wasting, rather than considered and useful].

> "I don't know what the OP meant exactly, but I still find your 'translation' uncharitable."

> "I don't personally think colors equate to childishness."

Then why are you defending the claim that they do?

[1] as much as I used to