No need, I agree...
IMO, every "functional" pattern we can observe is a result of evolutionary processes. It all started from chaos from which orderly and functional patterns emerged, by means of "natural selection" over time.
The Fibonacci sequence is no mere mathematical accident. It fills the required needs for efficiency in several growth patterns, such as the efficient organization of maximum number of seeds in a sunflower head.
Over time Nature favors those patterns which have gradually increased in mathematical complexity for the most efficient use of energy.
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Sunflowers show complex Fibonacci sequences
By John BohannonMay. 17, 2016 , 7:15 PM https://www.sciencemag.org/news/2016/05/sunflowers-show-complex-fibonacci-sequences
IMO, the patterns arise in response to necessity of efficiency and the maximum number of surviving seeds in the new generation. It is a extended function of "natural selection" affording the greatest chance for succesful reproduction, but real life is messy and offspring is not always perfect in spite of the mathematical "guiding equations" in the DNA growth coding.
The occasional reproductive errors are often the deterministic factors for "natural deselection" (culling) offspring for everything. Farmers practice this type of natural selection intentionally. It just takes Nature longer as it is more probabilistically distributed and functions without intent.
p.s. Wireless communications now use the Fibonacci sequence in the production of the most useful antennas, with the greatest surface area and response to a large range of wave frequencies.
Natura Artis Magistra (Nature is the teacher of Arts, and Science).
Humans did not invent mathematics, Nature did and all we did was codify and symbolized it.
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How did Nature invent mathematics ?