I've done 46k in our Tesla, the infotainment system is head and shoulders above the systems from Lexus/BMW/Mercedes, and presumably thats why Volvo and now Mercedes is doing blatant copies.
Anything can distract a driver, kids, codrivers, phones, day dreaming etc. Don't blame the car for human error.
The benefits of a giant touch screen is huge, you can use that screen real estate to show anything beyond lossing massive amounts of surface area to fixed function buttons that do just one thing. For example you can choose to display a cheesboard or keep an eye on the bike, a change that takes seconds to display.
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Everytime I get into a non Tesla car these days it feels like travelling back in time. Am glad the S class is following Tesla's lead as hopefully all brands will catch on soon. Given Tesla have been using this infotainment system since 2012 its about time others brands reacted.