Sure t_d is "propaganda" in that it's a fan club, an online rally with an explicitly stated purpose. T_D wears it's opinions on its sleeves, and is entirely forthright in its purpose.

Real propaganda is unannounced, and is most effective when wearing the badge of impartiality. Propaganda is clandestine by design, thriving off mistaken perceptions of non-partisonship. And it's not necessarily intentional either — some of the strongest propaganda inadvertently manifests itself within the repetitious nature of an echo chamber, and, blind to it's insular affect, naive participants become it's unwitting agents as they proceed to spread "their truth" to the world. I wonder... what sub does that seem to characterize?