>>35041390RNG isn't random in pokemon games. It's very complicated to try explaining, but if you know your Secret ID in something like Emerald, and time a Sweet Scent just right, you can push your shiny odds all the way as high as 1/2. Purists will consider this cheating, as it's so overpowered.
Here's an example i took, it's so overpowered it lets you hunt in the safari zone without even caring about pokemon running