Buttsecks feels 'cutsey' to me and is a little out of place in a supposedly serious fic. Not sure what she hoped to gain by using it.
I like complete and thorough headers as well. I only recently started writing summaries. I didn't used to because I was lazy and had no idea what to say or how to write them.
But if I'm going to squawk about headers, and if I want people to read me (otherwise, why the fuck am I posting in public? I could leave it on my harddrive if I didn't want people to read), I figured I needed to work out how to do them.