You’re not, though, because that truck never did and never could exist. A modern F-150 isn’t a 70s F1 car made cheap by new tech. This isn’t something you can wave away with an argument equivalent to “we put 1000 research points in the tech tree.”
When the US economy was working well, products got better and cheaper over time. Tech and increased labor productivity drove that. Now, tech and labor productivity has continued to increase, yet consumer prices have far outpaced inflation.