And why, cables don't wear on 8- or 9-speeds? As the owner of bikes with everything from 7- to 11 cogs .... no more need be said, eh?
Anyone who thinks 11-speed is more fragile, less, sturdy, whatever .... is simply biased and self-deluded. The world is full of riders who started with 2x6 and have evolved to 2x11 .... for some reason, very few decided not to.Some bunch of reasons, perhaps ...