>>39807142because they have the same kind of autism, pikachu and buneary loved eachother and im sure they wanted their trainers to get together but they couldn't beat the autism, there's only like one moment in the final episode where dawn breaks out of autism and almost tells ash something, but the autism is too strong
sure they are perfect for each other the problem is to start a relationship you need to distract them from battles and contest, maybe if they had a some kind of god tier wingman helping them it could work