I'm just speaking for myself here, not for Titan... I like the ideas, and the overall expansion of Faces (and these ideas are quite good) but I believe a line has to be drawn somewhere on how far we expand faces.
I was in the mindset it would be the culmination of ALL your Titan Sites under one personalized profile... I don't think it was the founders' intentions to turn faces into an all out community suite like MySpace or Facebook.
And a few fo these suggestions... I just don't think faces is used as much as you think for these features to be applicable. However, if more feel that these features are necessary, please say so.
SuckerPunch used to have a rule of thought when it came to these situations... "More than 50% of the users want it... that we put it in..." (paraphrasing of course). But my math is in your favor because for each user that wants it, I'll just multiply it by 100 and divide it against the whole user-count, lol.