I think it's more the case that a lot of the interviewees don't explain how they arrived at the setup in question - they just list what they have, and that takes out the interesting bit.
If you add in some history, you can make your first vacuum cleaner worth reading about (Keita Takahashi's interview)
If you add in some history, you can make your first vacuum cleaner worth reading about (Keita Takahashi's interview)