Children in a large group that's unsupervised is about as close to infinite monkeys on infinite typewriters as you can get. If you present them with a challenge that has some tangible reward at the other end (free games), you are guaranteed a solution at some point.
The universe's RNG just happened to roll favourably in Sydney in the 90s and the rest is history.
Reminds me of the story of the kids in Ethiopian village that were given tablets by One Laptop Per Child. The kids had figured out how to turn it on within minutes, in five days they were using 47 apps per child, in two weeks they were singing the English alphabet, and then within five months they had hacked Android. https://www.theregister.com/2012/11/01/kids_learn_hacking_an...
The universe's RNG just happened to roll favourably in Sydney in the 90s and the rest is history.