These scammers online are sometimes our close friends, family offline. If they have no remorse stealing from people online, that evil heart will grow colder and one day will have no remorse if he decides to steal from you.
Be as vigilant offline as you are online.
You're right. We don't only have to apply this carefulness in our bitcoin holding online or keeping our private keys secured on private modes, we also have to apply that physical conciousness of how we makes our devices reachable to people.
We should also be aware that people who know more better of you're the ones who'd plan more evil against you. It could act of jealousy or some kind of golddiggers who perches around on how to take an earn they never worked for. So don't get loosed and easily trusting even your relatives.
Don't even try underrating anyone looking stupid and illiterate to the evolutions of today's because desperate persons also do operates on disguise and can be patient and tolerance. Total careful in all ramifications is the watch ward to keeping your funds save.