Buy a workshop cat from the SPCA, and let it lie on the workbench while you are doing the videos. Either that or a puppy to chew on the discarded boxes, or to widdle on the rejected items........
Mailbag is nice, in the "OOOH SHINY NEW STUFF" way, but you are much better at explaining the tearing down and design philosophy. Look at the commenting on YT, and you will see that the design and such have more positive comments.
Best to place a blog link in the description to bring the viewers direct to the blog comment page for the episode, so as to consolidate the commentary. Add a little there to ask if the like or not the video and point them to YT to press the button, or embed it on the blog page directly.