If I had to describe my place in this division, I would say I’m looking at a much bigger picture. I work with the end product, the sound that comes out of my loudspeakers. I’m working for a sound that pleases me. Mr. Amir is looking at the microscopic details, the grain of the wood, if you will, and I’m assembling an entire landscape. The tools I use are different than the tools he uses.
??? Our aim is the same as yours. We want maximum enjoyment out of our music and want to optimize our gear to get there. I believe in uncovering as much reliable data as we can about a product to aim in that journey. What separates us is where we get our data, and whether it is based on sound engineering and scientific basis, or not. But the final goal is the same. Is this speaker going to sound great for me? How about this amp? Will this aftermarket cable or power conditioner improve the sound in my system? Do I need a specialized USB filter? How about an audiophile ethernet switch?
All of the above have answers. You could look to your gut and opinion of non-technical reviewers, or seek out specialized knowledge and data.
If you get sick, you can go to a doctor or google for information. The final aim is the same: a cure. The doctor puts you through tests and examines you. Perhaps you call this "grain of wood." I call it proper diagnostic based on proven medical knowledge.