According to over a dozen current and former employees, Life Is Strange developer Deck Nine’s management has long let a toxic work culture fester at the studio, including protecting multiple abusive leaders, encouraging crunch, and allowing bullying of individuals advocating internally for more authentic representation.
There is git lfs as mentioned, and other systems like perforce support binaries too, but generally assets like those aren’t under the same kind of version control because they don’t change as frequently, aren’t worked on by multiple people, and can’t be diffed.