The Lost King, by Thomas Broomé © The artist. Courtesy Galleri Magnus Karlsson, Stockholm

There’s much to be said for being maladjusted. More and more, perhaps, as the environment to which one is expected to adjust becomes more ruinous. The climate activist Greta Thunberg has flung back at her enemies (Donald Trump included) their attempts to shame her for her experiences with depression and for being on the autism spectrum. Her differences, she has pointed out, have helped her to remain focused on a problem many find too large, too painful, too intractable—and to keep saying what…