We unfortunately live in the age of surveillance, when agencies like the NSA and FBI push and cross the boundaries of unconstitutional actions.
This means that everybody needs to take steps to protect their data and. Obviously, there is no such thing as total protection, and a determined individual or organization with a lot of time and money on their hands can break any security if they want.
But you can make your data and communications so hard to access on the Internet that it will deter the bad guys. The harder it is to access your information, the more likely hackers, spies and other cyber pests will go elsewhere.