Bill Roberts said as much but without the pejorative "meathead" reference:If any meathead who had not majored in chemistry manages to decipher spectra as convoluted at those of oils, they are in a wrong field.
"The advice may be helpful for some. Due to a fairly high degree of technical difficulty this type of analysis will always be only for some, rather than suitable for all, unfortunately. If developments make it easy for anyone to do without needing a book’s worth of guidance, definitely at that time I’ll write more on how to do that. But presently, this is a way that could enable getting started."