If anything it's evidence of our anthropocentric perspective. Use of tools used to be a proof of our intelligence, until people actually started studying tool u

If anything it's evidence of our anthropocentric perspective. Use of tools used to be a proof of our intelligence, until people actually started studying tool use by animals and found some birds, chimps, and octopi all use tools naturally, and seals and dogs can be trained to use certain tools. Rather than declare those animals intelligent we seem to have collectively decided that tool use no longer indicates intelligence...