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People are getting fed up with all the useless tech in their cars
(www.theverge.com)
This is a most excellent place for technology news and articles.
It's also just flat out cheaper to remove physical buttons. Remove a handful of buttons and you might save a few dollars per vehicle once you add up the cost of each switch, connector, and associated wiring. That's huge when you're producing tens of even hundreds of thousands of vehicles.
They tried getting away with this crap to save a few bucks without passing on the savings but you're seeing some pushback. VW, for instance, has stated they'll be migrating some functions back to physical buttons soon.