Not scary at all! The nice thing about blockchain stuff is that you can safely ignore it and it will have absolutely zero impact on your life now or at any point in the future.
"Online TV" that requires payment in crypto, and doesn't take card... without more info, it's pretty safe to assume that service is not provided legally.
It may just be a matter of where they live. I got used to sending money in btc to my grandmother because the countries we live in currently happened to be at war with each other and bank transfers were not an option.