What was shaw's main motivation for writing plays? providing "robust" entertainment showing how people can change their environment overthrowing the upper classes and placing the lower classes in their place

George Bernard Shaw's main motivation for writing plays was showing how people can change their environment. His works also tended to discuss on topic that raises such problem as 'human and nature'. But you should keep in mind that his main goal was to share his views about socialism through his plays that were meant to depict his ideas and beliefs.