Ben B. Lindsey began his career in law after attending college and entered the practice of law in Denver. He made significant contributions to the juvenile justice system, pioneering the establishment of the juvenile court system in Denver, which became a model for other cities. Lindsey also championed reforms in areas such as reducing election fraud, supporting dependents of prisoners, and abolishing child labor. His advocacy for companionate marriage, which proposed trial marriages, led to controversy and his eventual ousting from the bench. Despite this, he continued to influence public discourse on marriage and family relations.

Ben B. Lindsey's political philosophy is marked by an innovative approach to juvenile justice and radical ideas on marriage, blending progressive activism with unconventional personal beliefs. His pioneering work in establishing the juvenile court system in Denver demonstrates an ideologically agile stance on social welfare. Lindsey's advocacy for companionate marriage, despite facing significant opposition, reveals a willingness to challenge societal norms and religious doctrines. His rhetorical style, combining public speaking with media appearances, suggests a calculated effort to influence public opinion on deeply personal and controversial issues.