The right wing / conservative people in my country frequently call their political opponents "lemmings", to imply they're deluded, misinformed and mindlessly rushing towards their deaths.
The mass suicide of lemmings is a myth. The most notable perpetuator is Disney, which in a 1958 documentary movie "White Wilderness" staged a "suicide" scene, complete with pushing lemmings off a cliff. There were more cases of involving Disney.
So whenever right winged/conservative describe people with opposing views as "lemmings", they accuse them of being misinformed yet are proving themselves to be misinformed.
To top it off, the "documentary" movie won an Academy Award, which is also itself ironic, because misinformation has been rewarded as educational.