Why do some kids love leftism?
Liberal teachers brainwashed them.
Kids love Santa Claus.
Because they have access to more information and ideas than any of the past generations. Given that discriminative ideologies like racism, sexism, homophobia etc have been linked to a low education/IQ it makes sense that the most learned generation is becoming the most left leaning.
Most kids will raise their hands in agreement with whatever is being said IF the hands next to them are being raised. Not much thinking is going on.
The Deplorable One
Their parents taught them