I think this is because of excessive fear, it must be admitted that the number of haters who pay for all media makes many countries afraid and thinks that crypto is a scam so it chooses banned cryptocurrencies.
News that spreads not from ordinary people but a large agency like the government. they can control the news on the media so that whatever you see on TV must be in accordance with the wishes of the government. and what the government thinks about crypto is negative. they think crypto can threaten the existence of their local currency