There is also a standard to add it automatically ( https://stackoverflow.com/questions/38670851/whats-a-script-... )
What's up with that?
https://browser.dataspace.copernicus.eu/?zoom=13&lat=40.2387...
https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=PI_...
This means that if a movie is shot at 24FPS (as nearly all of them are), and is shown to theater audiences at 24FPS, then it should also be displayed at 24FPS in the living room.
(But if you prefer to view the world through rose-tinted glasses, then you do you.)
This video has a longer explanation: https://youtu.be/62noXbp-l9o?si=aZqIre3sJy2SpOo7