If it’s not Rossi’s e-cat, it will be someone else. That’s the beauty, once the technology becomes pervasive, others will create similar type products, and drive the cost down as “Capitalism” is practiced.
Now if the government takes over then the cost of cracking open a badly rusted e-cat will be cost prohibitive. Guys with blue shirts in pick up trucks will not be doing the service, but teams of gooberment workers in haz-mat suits will be descending on the property and with ten thousand dollar screw drivers, slowly open the device, dump out the copper slug and sprinkle the nickel fairy dust inside. After several reams of paperwork and many donuts later, you will be able to flick your lights back on....
Most likely the government will be taking over the cost of prosecution and incarceration.