I think non-competes are seldom, if ever, used against artists that change jobs. They are MUCH more important when it comes to technology/code. They can be held up in court, maybe, but former employers have little incentive to go after artists.
The idea is so someone can't transfer inside knowledge from one product to another within a certain time frame. To keep the competition as focused on the market area the product is focused on from gaining inside information about your current employers product. I bring fourth that non-competes for artist at least need to…