My guess is that his system is like mine where I run it with the side cover off at times to get rid of excessive heat, and grandson is like how my daughter use to be at like age 3 when you turned your head for 10 seconds and she ran over to the computer like a bug drawn to a light to interact with it, and while my daughter never reached in to grab anything, she sure did love pushing the power button on the front, and see the computer go into shutdown and me yell ....NOOOooooooooooo
Now she is almost 9 and gaming online with me on occasion. Teaching her in World of Warcraft how to be druid healer with starter account which is free to play and run in groups to heal us on runs. And she has got it down pretty good to heal the tank as priority to keep alive and top everyone else off with heals in 5 party groups. And when people realize the healer is just 8 going on 9, they are like NO WAY....COOL!