
They are not, never were, nor ever could be.
They prove that natural selection exists according to surroundings and nothing beyond that.
The darker moths - which existed prior to the Industrial Revolution - did better than their lighter coloured relatives on smoke-darkened backgrounds. This situation is currently reversed with the lighter, peppered moths now being dominant.
If these are a proof of evolutionary changes, one question MUST be answered before the evolutionary hypothesis can be accepted. - Where is the NEW genetic material?
The moths are still moths; the dark variety are still dark; the lighter ones are still light.
Evidence - nil, wishful thinking - 100%.