What are the advantages or disadvantages of pedestrian crossing lights?

Pedestrian crossing lights enhance safety by providing clear signals for when it is safe to cross, reducing the risk of accidents between pedestrians and vehicles. They also promote orderly traffic flow by regulating the timing of crossings. However, disadvantages can include reliance on technology, which may fail, and potential delays for pedestrians, particularly in low traffic areas. Additionally, some pedestrians may ignore signals, leading to risky crossings despite the lights.