Sadly, I've actually seen a couple model laptops that were designed with one of the fan vents right above the keyboard, and only ventilated when the screen is open. VERY piss poor design, but yeah those do exist..

Example: https://i.redd.it/wcp4rm5o7u7a1.jpg

They have the budget for printer ink tho

So OOP is just in the pre-sysadmin stage