So what? A big piece of rock costs much less than half as much as an engine. Are you going to start putting big pieces of rock into your cars in stead of engines now, mr Ferrari Boss? No, of course not -- big pieces of rock suck at propelling a car forwards (or backwards, for that matter), compared to engines.
And in just the same way, touch controls suck at controlling them, compared to good old clicky-feely mechanical switches. Replacing mechanical switches with touch controls is almost as dumb as replacing engines with big pieces of rock.
Sheesh... (OK, maybe I'll actually go read TFA now.)
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ETA: OK, done. Apologies to Mr Vigna, not his fault, good for him that they're fixing it. But... The mere fact that there is something to fix shows they did fuck up on this in the past, so apply the above to the previous mr Ferrari Boss(es?).