If the world was built for me, there would be nothing "wrong" with me. I would be happy and safe and certain and successful.
If the world was built for me, when I met people there would be no expectation of physical contact or small talk. We may ignore each other with a socially acceptable nod, or throw ourselves into a deep and meaningful conversation.
If the world was built for me, we would all sit next to each other, not opposite. Things would be based on literal words, not guessed expressions and gestures.