Of course, everyone care about their own security/privacy but some think what could possibly go wrong?. They have the "Nah, I'm just surfing the internet so I guess there is nothing to lose" kind of mindset. Well, that's understandable tho because not all of us are aware of the technicallities of cybercrime. The whole stuff is so sophisticated up to extent that we just choose to ignore it subconsciously . However, this is a bad habit and should not be tolerated. So let us all educate the others even only by means of giving simple advice, we don't need to be computer experts to do that .
That feature is only available for PC/laptop users, isn't it? I used the mobile version for quite a long time  already and yet I am not aware of it.