As others mentioned the hard part is modeling your problem, how to encode the "individuals", defining a good fitness function etc. I think he neural networks ar

As others mentioned the hard part is modeling your problem, how to encode the "individuals", defining a good fitness function etc. I think he neural networks are more poplar now because are easy to use, you throw data at it and you get some results(though IMO I am scared that we are using things that we do not understand exactly how they work)