Research is counter intuitive to keeping the masses uninformed.
Many of these viruses were pretty simple and some even had coding errors that allowed them to be wiped in a relatively easy manner. But some others just infected your DOS disk files too when you tried to format your computer...
That's the reason many governments are not regulating bitcoins to accept it do any regular business. Recent ransomware attack brought even more bad reputation to the bitcoins and other cryptocurrencies. Many non-bitcoin users are now thinking that bitcoins are using only for these illegal transactions. So other good things about bitcoins no one wants to know it.
Millions of dollars are used daily for many crimes, such as drug dealing. That being said, shouldn't we also stop using dollars for "regular business"?
Sums it up quite well.