I don’t see a problem with PS posting often (even though I’ve been known to disagree with her on some issues). What is a bit of a problem is the format of this blog, where new threads keep pushing old ones off the list.
My suggestion: make the “Active forum topics” list a bit longer. For example, everything that had a single post in the last day (that would be brand new threads) AND ALSO everything that had at least 10 posts in the past 3 days (that would be active topics that may otherwise fall off the radar).
I almost never go back to the threads that fall off (OK, I’m lazy). For all I know, questions may have been directed to me on those threads, and I never replied.