I come from Poland. Today on television I saw an advertisement in which they said that kryptowalut and Bitcoin is a financial pyramid. They said that in a moment the bubble would break and investors would be left without capital. It was a advertisement financed by the government and the police. Why is this happening? It is quite depressing.
On the other hand, Bitcoin ATMs appeared in hypermarkets. Strange true?

Do you honestly still believe in advertisements? Look, no matter what media says, you gotta do your own due diligence before believing in anything. And people are still speculating whether or not bitcoin is a buuble, they are even speculating if the world is flat or not. So you'll never get one proper answer, because all you will get is opinions. Bitcoin is not a financial pyramid, I can tell you that. This is what financial pyramid means:
A pyramid scheme (commonly known as pyramid scams) is a business model that recruits members via a promise of payments or services for enrolling others into the scheme, rather than supplying investments or sale of products or services. As recruiting multiplies, recruiting becomes quickly impossible, and most members are unable to profit; as such, pyramid schemes are unsustainable and often illegal.
There are ATMs in Poland and not in more famous countries? I am so mad now.
Yes, there are ATMs. I have not used them yet, but I have often seen people paying out. A very nice solution. It is a surprise that there is such a cryptocurrency ...