Partly. The character has elements drawn from real events and individuals, but it's also fictionalized for entertainment purposes. So, it's a mix of truth and creativity.
The 'Beautiful Boy' story is quite heartwarming. Lennon, during a more domesticated phase of his life, was deeply inspired by his son. He wanted to capture the essence of father - son love in this song. The lyrics are simple yet profound, like 'Life is what happens to you while you're busy making other plans', which has become a very well - known quote. It's a song that not only shows Lennon's love for Sean but also his growth as a person, from a wild rock star to a loving father.
It's possible that Billy Boy went on a solo trip to find himself or to escape from some troubles. He could have headed to a peaceful countryside or a bustling city, depending on what he was seeking.
It showed a different side of Lennon. His music was often associated with social and political messages, but 'Beautiful Boy' was a personal and emotional piece, adding depth to his musical portfolio.
I'm not sure specifically which 'Billions Little Boy' story about John Malkovich you are referring to. There may be a relatively unknown or misnamed work. Maybe it's a very niche or indie production.