re: mobiancruxtruder
1. The Retcon is not "time travel" in the typical sense. It's more on the end of meta-narrative fuckery that dominates a lot of Homestuck even before the Retcon. In the same way that the intermissions taking over the narrative in Act 6 invites you to consider the role of an intermission within a story and what it is and can be, and the Epilogues invite you to consider what an epilogue is and what it should or can be with reference to the original narrative, I would say that the Retcon invites the reader to consider similar sorts of questions. Also, Ultimate Selves have "mattered" for some time now that's why I'm confused.
2. You seem to me to not have a very firm grasp on Vriska as a character, I would advise you to consider her motivations and actions more. I, personally, think it's perfectly within Vriska's character to get Rose to stop drinking. She cares very deeply for the people around her, and that's actually at the core of her story and why she does the things that she does.
3. Too bad, get to reading, friend.
"Without love, it cannot be seen."