Comment: It could

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In reply to comment: Really? (see in situ)

It could

But it's impossible to disprove such a claim. I choose to believe in the simplest explanation: that our base 10 number system arose because of the number of you fingers, rather than an unknown force in the universe guiding us to have 10 fingers because that number is somehow special.

The number 10 doesn't exist. No numbers exist. All are just abstract concepts.