There are a few reasons why birds of a feather might flock together. First, people are naturally drawn to others who are like them. We tend to find people who share our interests, values, and beliefs more attractive and likable. This is because it's easier to relate to people who are similar to us.
Second, birds of a feather often flock together because it's safer. When we're surrounded by people who are like us, we feel more accepted and less likely to be judged. This is especially important for people who are part of minority groups or who have unpopular beliefs.
Third, birds of a feather flock together because it can be more efficient. When we're working with people who are similar to us, we can communicate more easily and get things done more quickly. This is because we don't have to spend time explaining our ideas or defending our beliefs.
While there are some benefits to flocking together, there are also some drawbacks. One of the biggest drawbacks is that birds of a feather don't learn enough. When we only associate with people who are like us, we don't get exposed to different ideas and perspectives. This can lead to a narrow and biased worldview.
Another drawback of flocking together is that it can lead to groupthink. Groupthink is a phenomenon that occurs when people are so focused on reaching consensus that they don't consider alternative ideas or perspectives. This can lead to bad decisions and missed opportunities.
Overall, the proverb "If birds of a feather flock together, they don't learn enough" is a reminder that it's important to get out of our comfort zones and interact with people who are different from us. By doing so, we can learn new things, challenge our beliefs, and become more open-minded.