Absolutely. I won't disagree, but it's all about context. For example... Purchasing an F150 w/ Ecoboost vs a V8. The break even point on fuel savings 250-350,000 miles. It's basically a moot point. You think you're saving a ton of money...
One individual put it like this, and it makes sense to me "Toyota is a conservative company. All of their designs, including their engines, are over-engineered and derated to ensure longevity and reliability... Toyota, as a conservative company, would rather sell reliable, though inefficient, gasoline engines in its trucks and SUV’s than risk its reputation selling diesel systems with a greater tendency for malfunction."
This all due to the more stringent (and redundant) emissions requirements these days. (How many one ton diesel owners do you know that immediately pull all that garbage off their trucks?)
I digress, I've definitely taken this whole thing off the rails. Haha.