Marcuse’s upper-class parents looked down on the workers’ party SPD

Evidence

Marcuse, who had been in military service since the beginning of 1918 as an airship reservist, was a non-active member of the SPD, a party his parents looked down on as a party for the workers. — Rolf Wiggershaus, The Frankfurt School, 387

Categorization

• corroborated: 2 independent passages support this claim — Rolf Wiggershaus, The Frankfurt School: Its History,…, 387