They bring hope. For example, a terminally ill child who wishes to go to Disneyland gets to experience that magic. It gives them something to look forward to during their difficult times in the hospital.
I'm not sure. It's hard to say if Wish is realistic fiction without knowing more about the story. But usually, if it portrays a world and scenarios that could conceivably happen in real life, it has a chance of being so.
The plot of Pokémon Super Wish 2 was as follows:
The Lost Guardian
This episode was about Billy and his Pokémon arriving at a mysterious island where they found a legendary Pokémon master, but the master had gone missing. Billy and his Pokémon embarked on an adventure to find the master. In the process, they encountered some new Pokémon and discovered some secrets.
The Lost Forest
This episode was about Billy and his Pokémon coming to a mysterious forest where they found a legendary Pokémon researcher, but the researcher had gone missing. Billy and his Pokémon began an adventure to find the researcher. In the process, they encountered some new Pokémon and discovered some secrets.
The Fate of Battle
This episode was about Billy and his Pokémon arriving at a magical town where they found a legendary Pokémon Dueling Ground. Billy and his Pokémon began a tough battle to win the duel. In the process, they encountered some new Pokémon and discovered some secrets.
The Mysterious Treasure
This episode was about Billy and his Pokémon coming to a mysterious cave where they found a legendary Pokémon treasure. Billy and his Pokémon began an adventure to find this treasure. In the process, they encountered some new Pokémon and discovered some secrets.
The Truth Is Revealed
This episode was about Billy and his Pokémon arriving at a mysterious island where they discovered a legendary Pokémon theme park. Billy and his Pokémon began an adventure to experience the theme park. In the process, they encountered some new Pokémon and discovered some secrets. In the end, they discovered the truth about the entire theme park.
He might wish for the end of all hatred in the ninja world. This would mean no more wars and grudges among the villages. Everyone could focus on building a better future together.