Oh neat, I was not aware. In the 70’s then, computer parts came with an expiration date? I wonder why they stopped, was it a tradition inherited from car, radio

Oh neat, I was not aware. In the 70’s then, computer parts came with an expiration date? I wonder why they stopped, was it a tradition inherited from car, radio, or appliance parts, or something, where the idea of a wear-part is (or at least was) somewhat more developed?