Interesting, couple things that I would question on the article though. Right in the first paragraph he states it take 5 minutes to build oil pressure, maybe he meant 5 seconds, no way 5 minutes.
I have a oil temp gauge on my engine, the oil runs between 215 and 230 degrees when the engine is at operating temp, he lists oil running at 150, I do not think any oil in a modern engine runs that cool, it is impossible, as the coolant is over 200 degrees.
All the break in information focusing on 12k miles, mileage is not a good yardstick of engine wear, it could be 12k miles of city driving or 12k miles of cruising on the freeway, that is why many makes have gone to oil life monitor systems that take into account rpm, load, temp, and other variables.
As stated above 7 to 8 mpg gain just from switching to synthetics, no way, if that was the case we could practically solve the oil shortage by having everyone switch to synthetics.
Modern engines do not have chokes or carbs which greatly reduces the issue of fuel dilution in oil.
I also doubt the cars in Europe have longer drain intervals than cars in the US based on driving style, they have all the same traffic problems we have, in some places worse, it is not all driving on the Autobahn at 150kph, not to mention most Porsche and Mercedes use engine life monitors they do not have set change intervals based on mileage, only if a certain amount of time has passed, like a year if the monitor has not indicated to change it.
He does not like Amsoil because they claim extended drain intervals, but he does like Mobil1, wonder what he thinks now that Mobil1 is offering extended drain interval oils?
Interesting information, as always though just because it is in print on the Internet does not mean it is correct.