If these were Hollywood produced films from Hollywood artists, there would be talk of defacement, interfering with the integrity of the work, etc...
Estrogenic substances such as atrazine have been correlated with lower sperm count in agricultural workers (e.g. https://news.nationalgeographic.com/news/2005/04/0427_050427...) but I don't know of a study showing the effects through the food distribution chain, only ones on field workers.
The issue with plastics is mostly about plasticizers. Maybe in some cases, monomers. And plastics are ubiquitous in food packaging. Even steel cans are generally coated with plastic, rather than tin.
The relationship between movie studios and theaters is vastly different from that of YouTube and its content creators:
1. Theaters desperately want the content that studios create, so they buy it on the studio’s (distro company’s) terms.
2. Content creators on YT, however, have no power over YouTube. They desperately want viewers AND money for their content. YouTube offers both, albeit on their own, unilateral terms.