Please be aware that some people who are swearing in Japanese on KZbin or SNS or making comments that hurt others are not actually Japanese. In the world of the Internet, there are groups who hate Japan and want to destroy the good parts of Japan, making offensive comments and hurting people in Japanese. They are trying to make the image of Japanese people worse by doing it on KZbin and SNS. They pretend to be Japanese and do bad things. Please know that there is a situation where the group is rampaging on the net.
The US did feel like a free country when I lived there. That is, long before this girl was born ! The US has changed tremendously over the last 50 years.
Silvie and Mariya-sensei are impressive in their choice of words. I've been living in USA for 25 years and I feel that in the U.S., the freedom is limited, sort of, and freedom will be further limited when someone commit crimes. But in Japan, crime rate is a few and far between but high suicide rate in Japan is heartbreaking.