Maybe the creators and the fans just prefer to keep it as 'Toy Story 4'. It's a well-known and established title, and changing it to an abbreviation might cause confusion or lose some of its brand recognition.
Maybe they think there's still more story to tell and fans are eager for a new installment.
Maybe the creators focused more on the adventures of the toys and the child's relationship with them, so a dad wasn't necessary for the story they wanted to tell.
Maybe it was a creative decision by the filmmakers to focus on other characters and storylines.
It's possible that the team at Pixar felt that the full-length Toy Story 4 told the story completely and didn't require a short to enhance it. Or perhaps they wanted to save their creative energy for future installments or different projects altogether.
It's got a great story and lovable characters. The animation is top-notch too.
It's sad because it shows the characters facing big changes and saying goodbye. The end of childhood and the separation of beloved toys tug at our heartstrings.
I think it's sad because it marks the end of an era and the characters have to go through some tough goodbyes.
It could be that the rights to show Toy Story 3 were not renewed, or there were changes in the distribution agreements. Sometimes, it's just a matter of business decisions beyond our control.
It has amazing animation, lovable characters, and a heartwarming story that appeals to both kids and adults.
It's got a great story that's both funny and touching. The characters are really lovable and you can relate to them.