Certain folks tend to dominate or flood my Twitter or Google+ stream - but muting/blocking/unfollowing them is not really an option.
From a usability point of view, it would be great to have a slider or a similar control that will allow me to tweak how often Person X's posts are displayed in my stream. Everyone in a Circle is not equally important.
Similarly, G+ could normalize how often it pushes up posts as a function of how much activity the average post from that person receives.
Unlike the author of the article I do find twitter a good conversational medium. I dont follow firehose people as it is not conversational. I havent quite worked out how/if i will use plus long term.
I'm not talking about "firehose people" - my point is, it would be great if I could see (posts from Y) > (posts from X) > (posts from Scoble), even if they're all in the same Circle. Currently, everyone inside a Circle is given the same weight.