Things like this are revealed all the time, half the public doesn't care and the other half already know we are living in a surveilance dystopia and are not surprised about it.
To _force_ a U.S. company to do something like this would be a behavior on the level of an autocratic nation like China. Yes, I think it would be a very huge deal. I imagine somehow the government sweetens the pot for big printer manufacturers.
That's probably enough incentive for most to do it once known or suggested