I have no other fandom experience as well as limited real life experience (obviously on the gay male side of things)-but when I first starting reading fics and someone would say "I don't bottom" I always thought "Why the hell not? If it feels good, go for it!"
I guess I just have a very naive understanding of this power dynamic. I really feel it could be argued Snape is submissive, serving two masters, and after DH we learn in fact it's more like three if you include Lily. Although, of course, he is a control freak so I do understand those that see him only as a top.
As for Harry, if he is a student, then yes, a natural bottom to someone like his professor. But as the Man-Who-Defeated-Voldemort it's more likely there are guys willing to go gay just to be fucked by him. ;)
It is really quiet around here but between Phoenix_Flies, Ides, hd_worldcup was just due, snarry_games, rs_games, hp_beholder, whatever the april fools one is called, I think people are just totally weighed down. And my kids will be home all week which will seriously be cramping my style. :P
I started with HP fics and haven't quite finished them all. But then I intended to read the ones by people on my flist-so the football one for sure, as she's on my flist. But when I go back over the list, I'll make sure to check them out.