That is no longer the case. It hasn't been so for at least a couple of decades. Extremely erudite-yet-mostly-apolitical people like Lewis Lapham [1] went to literary magazines and high-end journalism a half-century ago, whereas today they almost certainly avoid it. I can't name a single person that I'd consider the modern equivalent of Lapham, or even Christopher Hitchens.
In some sense, journalism used to be a popular career choice for upper class kids with a deep interest in literature. Today, it seems more like an ideological battleground than a search for truth.
[1] I really recommend his magazine, Lapham's Quarterly and its podcast, The World in Time. https://www.laphamsquarterly.org/world-in-time