People hate popups anyway, even when they are legit.
Sort of true, but there are exceptions. For instance I run a site where users are allowed to post straight HTML on the board... but most of the users don't know HTML so they suggested I make an HTML tutorial page. I did... but the page pulled them away from the board so they would have to go to it, copy the HTML they wanted, come back to the board, post, oops I made a mistake, go back to the HTML tutorial page... etc. Eventually one of them suggested the HTML tutorial be a pop up, and everyone jumped on that idea, so now it is.
Though it doesn't work half of the time, and I'm too lazy to figure out why not. For the people it doesn't work I just tell them to right click and open link in new window.
Albeit if I really wanted to spend time on it I could have done some sort of dynamic menu that pops up on the same page, but I had other more important things to focus on.