From the osi website i read a text that leads me to believe that the person downstream can charge as much as they want, they never have to give you anything for it if they add at least one more product.
The license shall not restrict any party from selling or giving away the software as a component of an aggregate software distribution containing programs from several different sources. The license shall not require a royalty or other fee for such sale.
To me this reads like a corpo scam to get free work.