Elon Musk has aimed his social-media cannons at Netflix, firing at the streaming service and urging his 224 million X followers to cancel their subscriptions over some of its LGBTQ-tailored shows.

Elon Musk, a self-proclaimed “free speech absolutist,” has launched an effort urging his 227 million followers on X — the social media platform he controls — to cancel Netflix. In the past three days, ...