Like most evils in the world, Facebook spam exists because we allow it to. Although Facebook’s taking spam-generating accounts and posts seriously, you have to be responsible as well and stop being an accidental agent of Facebook spam.
Believe me, this is a lot more difficult than it sounds, and assuming that you’re two steps ahead of these sneaky scams might be the biggest mistake you’ll make. After all, behind these spams and scams are hackers whose preoccupation is to create ingenious ways of breaching Facebook’s admittedly flawed security system. I learned this the hard way myself, after being blindly lured into clicking a link on iPhone 5.