I do want to point out....exhibition was a lot different when the paramount decree was passed compared to now. All the studios combined only owned 17% of the theatres so it wasn't a huge monopoly and the policies and decree was driven by the factors of Edgar Hoover and his hatred of Hollywood, Truman and the anti monopolistic society that exist.
With one movie ticket back then you essentially got newsreel, short films, an A film (the blockbuster movie) and a b film. That in now way compares to paying the price we pay together for way less content and time.
Theatre owners adapted and altered the cinema experience which has lead to today. They are not absolved of their own greed which created this issue as well. They devalued the experience for multiplexes, over priced concessions, and a lot of overall unique experiences and appeal to bring thes