Jeremy Strong in “The Social Reckoning,” Jesse Eisenberg in “The Social Network” and the real Meta executive are all playing parts. But only one has changed his approach.

© Columbia Pictures; Andrew Caballero-Reynolds/Agence France-Presse — Getty Images; Columbia Pictures

Alex Gibney’s nearly four-hour documentary is deeply researched. But because the mogul has long been in the spotlight, little is new.

“The Social Reckoning” and other movies reflect growing discontent with Silicon Valley founders. But such films may be at the mercy of the companies themselves.

© Saiman Chow