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This is today’s version of Industrial Musicals. In the 1950s-1970s, corporations would commission entire musical theater productions as propaganda/hype material for their conventions.
Twenty Thousand Hertz did a great episode about it, and there’s a documentary about them as well (trailer).
I’m inclined to believe this post, claiming this article is BS https://mastodon.social/@jplebreton/112825798853315264