Run-flat tires instead of a spare?  No thanks!

After reading Jason Torchinsky's Jalopnik post about modern cars replacing spares with run-flat tires I began thinking. Who benefits from this? Do the majority of car consumers prefer run-flats over spares? Or do car companies prefer run-flats so that the space where tools and a spare would traditionally be can be… » 1/30/15 11:20pm Yesterday 11:20pm