“…In the past decade, involuntary celibate (incels) men gained public notoriety after the terrorist attacks of a few extremists (Costello & Buss, 2023; Tietjen & Tirkkonen, 2023). Scholars are making sense of the incel phenomenon (e.g., Baselic, 2022; Blake & Brooks, 2023; Brooks, Russo-Batterham, et al, 2022; Costello et al, 2022, 2023; Hoffman et al, 2020; Räsänen, 2023; Sparks et al, 2022, 2024)—for instance, through explaining why, when men’s and women’s evolved mate preferences play out in the modern West, the lowest-value men become excluded from mating. Incels have been common throughout most of human history (Larsen, 2023c, 2023d).…”