Analyze the privacy risks of smart TVs based on the LG case study. Create a step-by-step guide to: 1) Detect data collection behaviors in IoT devices 2) Configure privacy settings on smart TVs 3) Document findings in a privacy impact assessment report 4) Compare with other smart TV brands' data practices. Include relevant technical terms like 'telemetry data', 'opt-out mechanisms', and 'network traffic analysis'.