When it comes to component design, you have to factor in the stresses that they're under. For example, if you have a 7.0 liter V8, it produces a lot of torque which can easily tear up a transmission. So more durable components are needed, more materials are used but at least it lasts. On the other hand, when you don't have these restraints, you can make parts lighter by using less material, but you lose durability. Point is there's a fine balance between performance and durability. Corvettes engineers did get it right by over-engineering certain components, but driving a like you're a 16 year old with downs syndrome by bouncing off the rev limiter doesn't demonstrate much intelligence.