Upholstery manufacturers source their cushions because its a very dirty business. I have been in many of these foam fabrication plants and the air inside these plants is unbreathable.

This is no April Fool. The New York Times as done a pretty good documentation of this. I added the link below.

And what price are we willing to pay for a sofa in-order to protect our fellow workers?

Here is a link that might be useful: New York Times article