Why not have some sort of CSS / JavaScript trickery so that the FAQ item can be displayed or hidden without any sort of pop-up at all? Anyone who browses with

Why not have some sort of CSS / JavaScript trickery so that the FAQ item can be displayed or hidden without any sort of pop-up at all? Anyone who browses with JavaScript off is tech-savvy enough to open up the page in a new tab. (Anyway, for me, this definitely falls under the "web site thinks it's the best UI; I don't", but I recognise that this is almost by definition a matter of personal opinion.)