In reality, the choice of aspect ratio was less a creative choice than a mandate from the studio. There’s an old interview with Spielberg after the release of Raiders where he says he wanted to shoot it in 1.85, but Paramount insisted on ‘scope, so even major directors with a lot of clout had...
Is that based on something? A admittedly cursory google search reveals that human vision is closer to 4:3.
https://www.physicsforums.com/threads/whats-the-aspect-ratio-of-human-vision.914202/
It was always about size, not shape. The point was that the huge screen in the cinema could provide you with a more immersive experience than television ever could. The aspect ratio was incidental.