>>282400892
Because you're an idiot.

For fuck's sake, have you READ Boogiepop Doesn't Laugh? The most influential Light Novel ever written? The majority of it is just scenes where two characters are sitting around having a back-and-forth. And that bled hard into all of the light novels that followed it. Here, let me pull a random page from a random LN on my computer. This is the first conversation in the first volume of Fragments of Grimm and shows the sort of "back and forth" that's over-used to hell and back in the medium.

Yes, there's narration between them, but Light Novels are infamous for scenes with stretches of dialog with very minimal narration in between.