I don't think so but to my mind the answer is obvious because the number of scams has increased. It is difficult to define who is who. That's why a lot of people think that it is necessary to be careful with everyone
There are different people in the community and some do not really believe on cryptocurrency or maybe they have a bad experience from it and that is the reason why some of them are creating fake news or black propaganda's.
Yes, we have to agree with them because either they face some critical problem otherwise, how can they be negative towards cryptocurrency.
Maybe because governments are not taking active role makes them too afraid about the cryptocurrency.