Generalising can be useful. However, it can also be quite unhelpful. When someone uses them too liberally, generalisations hurt.
Positive references are fine to be generalised, such as “These children all look thirsty”. However, try to steer clear of using any general comment if there is a negative connotation to it.
Some people like to use sweeping statements as a shortcut. For example, “Americans are X”, “Children aren’t capable of Y” and “This city is a disaster” are too broad in their scope. When you identify something you aren’t happy with, please try to single out the specific person or situation. Otherwise, this is where a lot of isms and ists are born.
A whole movement can be created when a couple of dozen or a few hundred people act in a certain way but it is extrapolated across 50 million. I do believe that most people have a hard time knowing what their Mom, spouse, kid or boss thinks. So how do people feel they can accurately group thousands or millions of people in any meaningful way?
I know it feels better to have a large group of people with you. And it is easier to comment on whole groups of people. But, expediency and magnitude will exacerbate the problem. Unfortunately, one needs to take time and get specific to identify the actual issue that needs attention.
Generalisations hurt. Generally speaking.
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