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Thanks, you make some good points. My layman's understanding of the inverse square law makes me think that your claim that "your brain likely gets as much as your lap anyways" might be a bridge too far, but from your other comments, I'd like to see a chart of the emissions from other household objects before deciding how important that is.

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Inverse squares kick in at large distances, 60cm or so is not a large distance. More importantly, anything diminishes electromagnetic radiation better than distance[0], and there is simply more matter between the bottom of the laptop and your lap and the top of the laptop and your brain.

Really, however, my main point is that the few milliwatts allowed for consumer electronics are well within the safe range – I have to admit, though, of being too lazy to search out the data, sorry.

[0] Just think about how easy it is to block light coming from the sun with a piece of paper.

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