The author has a good point but I am surprised they neglected to mention the most important aspect for any aspiring appliance maker:
The BSD license
Yes, thanks to the magic of the BSD license you can ship an appliance that is nothing more than a vanilla BSD and some hacky scripts and never have to worry about your customers demanding to see how much jank you have shoved into the box.
The BSD license
Yes, thanks to the magic of the BSD license you can ship an appliance that is nothing more than a vanilla BSD and some hacky scripts and never have to worry about your customers demanding to see how much jank you have shoved into the box.