I think some felt that Toy Story 3 should have ended differently because they thought it could have had more closure for certain plot points or they had hoped for a twist that didn't happen. It's all about what each person imagines as the perfect ending.
Some people might think Toy Story 3 should have ended differently because they felt certain characters' arcs weren't fully resolved or they had a different vision for the overall message of the story. Also, personal preferences play a big role. Some might have preferred a happier or more bittersweet conclusion.
It could have changed the entire tone and message of the movie. Maybe it would have been less heartwarming or more adventurous.
I think it could have ended with Woody and Buzz becoming the best of friends and having many more adventures together.
It could have ended with a more elaborate goodbye scene between the toys and Andy, emphasizing their deep bond.
It could have ended with Woody and Buzz becoming best friends for life and having many more adventures together.
I think it could have ended with Woody and Buzz having one last big adventure together and saving all their friends for good.
It could have ended with Woody and Buzz becoming even closer friends and having more adventures together.
Maybe it should have ended with Andy giving all the toys to a children's hospital, and seeing the joy they bring to other kids.
Maybe it should have ended with all the toys finding a new home where they would be loved and played with forever. There could have been a heartwarming scene of them saying goodbye to their old life and looking forward to the new one.
It could have ended with Woody and Buzz staying together and having more adventures in Bonnie's room.
Well, maybe Woody and the gang could have had an even more epic adventure before saying goodbye. Like going on one last wild ride together.