Eh. I've bought some from a boutique quality down comforter manufacturer. They've been great and have lasted decades.

I'm sure it was marked up still, but the best and last pillow I've ever bought is buckwheat hulls. Basically a fancy sack of grain, but I'd guess procurement was more costly than filler plastic fabrics/foams. It was an immediate cure for neck pain from side sleeping and it's quite cool, too. For me, anything stuffed with fabric is going to be a waste of money anymore.