A harmless mural painted over the summer at the Child and Adolescent Health Center at Grant Middle School in Michigan is under attack by Christian parents who claim it’s “Satanic.”

It was painted by Evelyn Gonzales, a sophomore at the local high school, who won a contest aimed to “brighten up” the health center with a painting that depicted smiling kids and the message “Stay Healthy.” The end result was a mural that included a number of kids, one of whom is wearing a shirt with the pink and white stripes of the transgender flag, another who is decked out in LGBTQ-friendly rainbow clothes, and a third in the colors of the bisexual flag. The point is that everyone is welcome at the school. No one is excluded. Though it’s not like the color scheme would be obvious to viewers unless they were looking for it; on the surface, we’re all just looking at happy smiling kids.

But there are also other symbols that drew predictable outrage from conservative parents who think everything’s part of some wider liberal conspiracy.

There’s a demon face (in the center left) that’s inspired by the video game Genshin Impact.

There’s also a “Hamsa hand” (on the far left) that, in some cultures, is said to provide good luck.

Gonzalez said the goal of her art was simply “to make people feel welcome.”

Again, none of this would be evident to casual viewers. But it unleashed massive outrage at a school board meeting last week: ...