Novel idea for something you would see on an infomercial or skymall, but no tech savvy person would ever purchase one because (1) Tech people already know how

Novel idea for something you would see on an infomercial or skymall, but no tech savvy person would ever purchase one because (1) Tech people already know how to block ads. (2) The idea of having a random linux box on your network that has access to all of your internet traffic, and can be compromised as well as a general bottleneck isn't the most comfortable of thoughts.