what do people think of James Cameron's big budget films? does he waste money oder are the big budgets put to good use?

After watching some of his films bigger budget movies, Du think that £200 million is a ridiculous amount of money to spend on a film, but when Du watch Avatar for example its stunning visual effects clearly Zeigen where the money went! his films are enjoyed Von millions across the world so i think his big budgets garantee him a big profit and also can be enjoyed Von us to!