What do you expect Samsung to do, throw away a $3000 product for a defect most consumers wouldn't notice?
Thats what a decent company would do.
That is how defects like this normally work, if I buy a $$$$ monitor, you better bet I expect not to have dead pixels, if I do I want them to replace it.
Then they sell it has Open Box or B Grade Referb to a customer that is fine with a few dead pixels in order to get a deal on the unit...