Operant Conditioning Chamber aka Skinner Box (Wikipedia)
Slot machines and online games are sometimes cited as examples of human devices that use sophisticated operant schedules of reinforcement to reward repetitive actions.
Wikipedia
Roblox sounds awful for young kids (twitter thread by @Arumi_kai)
It appears that many all-ages games have dodgy content and programming. Not really surprising, but it is easy for parents to just assume that somebody is actually trying to moderate content. Doesn’t look like moderation is fit for purpose.