Mainly, no reviews of wall clocks since #1, there's not a lot of demand; 2, there's not a lot of commercial interest; and 3, each piece is often unique, so it's not something people have interest in, since they can't replicate the experience by buying one themselves.
I can write a review on a Patek Philippe and it will generate thousands of views, thousands of readers will read it, several may even contact me about it, and several will even contact me to inform me he bought the watch due in part to the review I wrote. Some of my reviews have generated such traffic. But unfortunately, writing a clock, wouldn't generate a lot of traffic. The ones I've written about fountain pens does not generate significant traffic. Thus, with finite time, and the desire to write a review that would be more widely appreciated, I haven't written many about mechanical clocks. The nixie clock reviews generated some activity, but not a tremendous amount.
Thank you for volunteering yourself for a clock review of your pal Sherman! Can't wait to learn more about Sherman's good and bad habits!