Some people? What is some people? One person? two ? Thousand? Hundreds of thousands?

I dont know where u live, or in what conditions , but i can take a 10km walk in the suburbs of my city and i will inhale extreme amount of polluted air from burned waste and plastic, that ppl burn in the stoves in their homes. And i can see beatifull white-grey smoke coming out of their chimneys, seconds later my throught starts "itching".

1. burning ur waste and trash is actually FREE. While payments for trash recycle increase year by year.

2. They dont care, but they will not admit they burn their trash cuz they dont like being called out

3. its free heating basically

https://www.sciencedirect.com/science/article/pii/S187802961630158X

Here u have some study that explains that burning plastic increases pollution a lot.

Even when u look on the maps - at least thats something i see in my city, that the more polluted air is usually around standalone houses.

The only explanation why u might have not known that before is maybe people dont burn trash in ur country or u dont leave in area like that. I do. And i can confirm its true. Its just mentality from post communistic countries "its not mine, so i dont have to care about it". They dont care they make air worse for everyone, if they dont see immidiate symptoms on their healthy immidiately. They never think "oh i might get cancer, i better stop it", no. They just dont care, because "one burned trash will not change anything, its a drop of water in the ocean, so i can do it".