Has Humanity Reached Peak Intelligence?

With conspiracies everywhere are humans now on the decline?

https://www.bbc.com/future/article/20190709-has-humanity-reached-peak-intelligence

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QuixoticSoul · 41-45, M

Well there is no longer any sort selective pressure to increase it - the age of agriculture made being smart optional. It is not surprising that our hunter gatherer ancestors had larger brains.