He described himself as "a Nazi at Heart" and was nicknamed Mussolinetto by his colleagues in Hamburg for his fascist sympathies, so there seems little doubt that he did join the Nazi party because he believed in what they stood for.
Siya inilarawan ang sarili bilang "isang Nasi at Heart" at was nicknamed Mussolinetto sa pamamagitan ng kanyang mga kasamahan sa Hamburg para sa kanyang pasistang sympathies, kaya doon tila maliit na ipag-agam-agam na siya ay sumali sa Nasi partido dahil siya sumampalataya sa kung ano ang mga ito para sa stood.