It is ironic that they are so scared of the *real* reasons that they want to break all encryption, that they cannot even mention them, so use fairly bogus reasons, like cp and terrorism, to try and get the public on their side.
The first thing that has them shaking in their boots are corporations and the very wealthy, secretly transferring vast amounts of wealth around the world, almost certainly for nefarious reasons. Since so much money is “virtual”, it is easy to do.
Another thing are “assassination pools”, where anonymous persons and organizations can essentially take out murder contracts, generating so much money in the pool for a given target that it can almost guarantee there will be attempts on their life. (For example, say a hundred people are willing to pay $1,000 to have you killed. Eventually the “purse” becomes so great that any number of thugs will try to kill you.
There are two kinds of people in the world, my friend: Those with a rope around the neck, and the people who have the job of doing the cutting. -Tuco. The Good the Bad and the Ugly.