Landauer’s delay in fleeing Europe cost him his life in Belsen

Evidence

Landauer went to Amsterdam instead, where he unwisely resisted until it was too late the entreaties of his former colleagues to leave Europe; he died in Belsen during the war. — Martin Jay, The Dialectical Imagination, 319

Categorization

• QUESTION: Why did Landauer resist the entreaties to leave — what reasoning or circumstances kept him in Amsterdam?