I'm confused by how the plastic chair receives such high praise for its design, affordability and ease of maintenance, but adding wheels to that same chair some

I'm confused by how the plastic chair receives such high praise for its design, affordability and ease of maintenance, but adding wheels to that same chair somehow makes it an example of a "useless" product with poor design. For $78, the organization is able to produce and ship a wheelchair around the world. They are able to use or augment existing products, which drastically reduces the cost of development, tooling, and production. As far as I can tell, the next cheapest option would cost a minimum of $150, with an equally cheap production quality. Is it the best quality product ever made? Not at all. But it's not meant to be. It's meant to effectively serve the most number of people with the smallest amount of capital. In that sense, this product meets all of its design and mission goals. To declare otherwise based on some arbitrary "prettiness" factor is pretentious, at best.