I'm torn between "This guy clearly enjoys his work, bully for him." and "The handmade movement is an extravagantly wasteful alternative to a factory in China to give rich white people an opportunity to demonstrate their social superiority over people who use functionally equivalent objects produced in an efficient fashion." (c.f. organic food, fair trade coffee, etc etc. This topic makes me positively Marxist. There…
Nah, I think you're extrapolating to far. It's just a connoisseur mentality -- the same as for wine, scotch, guns, etc. It can be annoying, it's often untrue, but it taps into the same desire to be self-righteous that's buried in your post, and many of our day-to-day actions.
Please don't interpret the previous sentence / paragraph to mean "you're self righteous!" in the usual insulting conversational sense. I think it's a widespread human desire. I.e. I often bristle at someone's behaviour and am about to school them before I thoroughly understand the situation.
Actually guns are an outlier -- many arms manufacturers use the language of authenticity, but then mass-produce their products.
There may be a little touch of unconscious racism re: China, but that's a society-wide thing, not some defect / choice of these craftspeople. I.e. there was a time when goods manufactured in China were crap. Now they're not, but the bias remains.