What you say (though I'm not sure that we can speak of an "ideal"), compounded with the "late stage capitalism" fact that everything today is consolidated, and has to be about making profit and maximizing it: Disney shareholders probably like the latest Marvel movie more than you do for being the same as the previous ones: business don't like taking risks. The same applies to your furniture maker: when you sell to millions and want your shelves stuffed, you pick a select few materials and color variations that minimize cost and targets the broadest audience.