Final answer:
When people do not leave their echo chambers, they risk increasing political polarization, as they are less likely to be exposed to opposing viewpoints and more likely to reinforce existing beliefs, leading to a more divisive society.
Step-by-step explanation:
An echo chamber problem that may arise when people do not leave their echo chambers is the increased risk of political polarization. When individuals primarily access information that aligns with their existing beliefs, they seldom encounter opposing viewpoints. This selective exposure can lead to the strengthening of existing opinions and the intensification of political divides. Technology and social media algorithms often compound this issue by directing users towards content that reinforces their pre-existing beliefs, further entrenching them in their echo chambers. This scenario, as detailed in the provided references, illustrates how echo chambers can contribute to societal issues like confirmation bias and group polarization, ultimately resulting in diminished bipartisanship and a polarized political landscape.