Too many are lured by the big price variations, by wonderful stories, especially from websites that only care about their ref links, by the mirage of easy money.
Nowadays people think they are smart and they know better, so they'll read deeper only when the things go wrong.
And FOMO is a great factor, especially in the months when Bitcoin rises in a spectacular manner.

All in all, some will always learn on the hard way what's Bitcoin trading about...