Walter Glover wrote:If you follow Phil Davis's BTZS method the incident meter will be as goodf or better than a spot meter.
Sorry, but this bit about being better is simply not true. It can equal the spot meter, just as "Sunny 16" can. A correctly exposed neg is a correctly exposed neg, regardless of the metering paradigm used to get it.
In fact, there are many photographers out there who get correctly exposed images by estimating exposure based on their experience.
Which is the real point here: experience with a chosen method is the key here.