CLEAN : Sam Mendes thanks Steven Spielberg for producing 1917

The transcript discusses the excitement and support received from Stephen for a script, highlighting his dual role as a movie fan and a genius. It emphasizes the importance of filmmakers in creating films that are best experienced on a big screen, urging them to make audiences feel they would miss out otherwise. The challenge for filmmakers is to ensure their films are compelling enough to warrant a theater viewing.

What is the speaker's overall sentiment about the future of filmmaking?

What challenge does the speaker mention regarding films and their viewing experience?