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This matters more than it seems, because we're not calculators, and we're not just brains. There are proven links between mental and emotional states and - for example - the gut biome.
https://www.nature.com/articles/s41598-020-77673-z
There's a huge amount going on before we even get to the language parts.
As for Dawkins - as someone on Twitter pointed out, the man who devoted his life to telling people believers in sky fairies they were idiots has now persuaded himself there's a genie living inside a data centre, because it tells him he's smart.
If he'd actually understood critical thinking instead of writing popular books about it he wouldn't be doing this.