1. is incredibly old;
2. has been thoroughly and repeatedly debunked; and
3. has been retracted by the magazine that published it.
The test on which it is based has poor repeatability, is easily manipulated, and has almost nothing to do with any of the things that make an engine oil perform well. Moreover, the kinds of additives that make an oil perform well on this kind of test can be corrosive to certain metals and need to be at the minimum necessary levels for engine oils.
In short, deciding on an engine oil based on this article is kind of like deciding on a car based on what kinds of flowers are growing next to the dealership.
In short, deciding on an engine oil based on this article is kind of like deciding on a car based on what kinds of flowers are growing next to the dealership.