its inability to address catastrophic climate change, in which ongoing environmental destruction is viewed as an "externality"

that modern liberalism and democratic governance is predicated on maintaining the interest of those who own property vs. those who are treated like property

by challenging the notion of human rights, which "civilized" nations believe extend to everyone inside their borders; when in reality, they are systematically deprived across the poorest countries, which brutally exploit labor to produce our consumer goods

by comparing traditional agrarian-based societies with the horrors of factory farming and concentrated animal feedlots

by challenging the idea that the Holocaust was rooted in hatred, as opposed to indifference; or by demonstrating that concentration camps universally start as labor camps, before governments move towards genocide

by discussing the rise of surveillance capitalism and the financial incentives of private prisons; some of which may have even produced the furniture in their public schools (at a fraction of its market value)

How you chose to illustrate the above depends on their age, but there are plenty of movies you can show: like Charlotte's Web, Judgement at Nuremberg, Schindler's List, and Koyaanisqatsi (to name a few).