Yep,

But the biggest reason the myth endures? Deliberate fraud. For the 1958 Disney nature film White Wilderness, filmmakers eager for dramatic footage staged a lemming death plunge, pushing dozens of lemmings off a cliff while cameras were rolling. The images—shocking at the time for what they seemed to show about the cruelty of nature and shocking now for what they actually show about the cruelty of humans—convinced several generations of moviegoers that these little rodents do, in fact, possess a bizarre instinct to destroy themselves.

https://www.britannica.com/story/do-lemmings-really-commit-mass-suicide

Humans are horrible to non-human animals :(