Oh, the mandatory comparison with a car! So here's another one for you: does each car model come with different flaws each time? Like the tires have no air, the wheel breaks off, or there are no seats in it (yet)?
And to take it further: do the civil engineers think that each time a new car generation has been released that it would be "Oh, so cool! Let's make the traffic signs look flat this time!" and re-design every possible traffic light and sign? "That STOP sign there is sticking into my eyes, let's do a different colour gradient there, a subtle one..."