As someone who doesn’t live in a western democracy, help me understand why “people of colour”, “wage gap”, “minorities” and all these other keywords need to be

As someone who doesn’t live in a western democracy, help me understand why “people of colour”, “wage gap”, “minorities” and all these other keywords need to be shoehorned into so many articles and discussions? It is so tiring to find any kind of articles that report things without getting the author/organisation’s political agenda in the way.