I see you used same technique for this article lol :-)
It's ok, and it works, indeed, as long as the post is containing quality content.
Abusing such titles will ruin the reputation of anyone who use them just for the search engines, while proposing nothing of interest :-)

Between you and me, in french : le risque c'est de faire passer l'auteur pour un faiseur de "putaclick" si tu vois ce que je veux dire :-) (orthographié expressément ainsi) :-)