For sure it's bad for the laptop, I totally agree, and if you have something better to put your laptop on (a small table that goes over your lap, for example- I

For sure it's bad for the laptop, I totally agree, and if you have something better to put your laptop on (a small table that goes over your lap, for example- I believe Ikea sells such a thing) do that. But given the choice between pillow and no pillow, I'd rather damage my laptop than my body.