I'm not directly comparing them, just pointing out that engines are designed around a lot of things working together, and changing the cam lobe / timing is messing with that, and might, for example, lead to the engine wearing out slightly faster. Just a rule of thumb. How's this one: Bigger tires are great, but wear out CV's faster.

I have conducted no long term survey and like my cam.

That being said, there was one free lunch I know of in telecom....multiplexing. It let phone companies literally (excactly) double the capacity on their lines with no detrament in service. OK, you had to buy the magic box on each end, but other than that it was free capacity upgrade at one-ten thousandth the price of laying new line. Hello, T1!