Model T PC

In the early, hubristic days of the PC, enthusiasts used to say that if cars were computers then a Rolls-Royce would cost £300, do 100,000mpg and accelerate from zero to 60mph in 10 nanoseconds. To which the obvious riposte was that if cars were computers, they would grind to a halt every few hours, crash unaccountably every few days, require regular patching and updating of all their moving parts and eventually get to the state where the only way of getting them to move at all was to install a new engine. And all this without mentioning that in order to stop them you had to press the 'Start' button