Generational differences in tastes will take its toll on some of this more than other bits. I don't know anyone under the age of 40 who cares one bit about fine china and china cabinets. As more and more people who collected china die off, there's a bigger glut of it. Collections that took a lifetime and thousands of dollars to accumulate end up going for pennies at estate sales while the cabinets end up in a landfil…
But it's completely useless. It's pretty, but you can't ever use it. It's not dishwasher safe, it's extremely fragile, and I cannot imagine ever hosting some kind of event where it would be appropriate to bust it out. Hell, I don't even know if my grandparents ever used it, or if it was just a thing that you "should" collect, and therefore they collected it.
It feels like a waste to just throw it out, but I realize you're right, there's not gonna be a market for things like this ten, twenty, years from now.