I like how the original comment gave some thoughtful napkin estimates about how this product may be worth several thousand dollars as a function of time saved, and your counter argument is just "nah it's $30 total" with absolutely no reasoning or logic.
Like it or not, this is the kind of response from an engineer that falls into the category of emotionally cheapo.
Like it or not, this is the kind of response from an engineer that falls into the category of emotionally cheapo.