2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/179215We show that Regge trajectories for all flavors suggested recently by Filipponi et al. cannot combine both meson spectroscopy and additivity of intercepts. Other defects of these trajectories are also discussed.2 pages, LaTeXHigh Energy Physics - PhenomenologyNuclear Theorytext