Ok, I've read it twice. I'm not sure I understand the argument. It reads like the argument is "This technology helps handicapped people so you shouldn't allow it to be patented." Is that a reasonable argument? PRC seems to have a valid patent, they sell a device the people in the article could use, Speak For Yourself infringed without a license and they are the good guys why? The patent argument would go, "PRC figure…
Personally I think that patents and similar should be treated as property, and licensing should be required. The patent owner sets the price and it's taxed yearly based upon that price, whether products are made or not. This is similar to how real estate taxes are done in many places.
Also, at some large multiple of the price, it's possible to buy out the patent, putting it in the public domain. This way truly useful things deliver a windfall to their creators, or are licensed (possibly for much longer than patent protection allows today) creating recurring revenue.