It is a well known fact that many websites in the dark net operates with bitcoin and that there only reside shit and garbage of our human society. We cannot blame bitcoin for that, as it is the same as blaming internet why pornography exists. The media that publishes these articles wants to have more views and more readers and it will do anything to achieve this goal.
Bitcoin is used much more on the better side of things compared to what this article is claiming.
Bitcoin has so much, maybe they use it bythe other activities and aside from it mahbe in thd near futute bitcoin can kill itself by the popularity and maybe it loss its valdlue by its demand.