State of mind
Security is a state of mind, but unfortunately most end users just don't think (State of mind = NULL) and can be conned/phished/bamboozled into doing whatever a good manipulator wants. On the other hand security is a royal PITA as needed access is often blocked.
I understand it better than many as I ride motorcycles. To most people they are a death trap, and while I have had my fair share of accidents I feel that the trade off is worthwhile. Being stuck in a traffic jam for hours every day is boring and soul-destroying.
So, reasonable security is the way to go but be aware that you will never be fully secure, even on an air-gapped PC. As for securing the mindless,..... <rotflmao>