What are your thoughts on playing fair in an unfair world? Is it worth it?

I’ve been seeing a bit of conversation online where most people have now realized that people who don’t play fair can still end up winning in the game of life. In a world like this it seems like the people who play unfairly have their way every single time especially in this economic climate today.

I don’t believe life is fair however I don’t think I need to play unfairly for it to work out. What are your thoughts on playing fair in an unfair world, Is it worth it?