Okay, smarty pants. Give us one good reason AGAINST owning a tiny desktop. See? You can't.
One good reason, ONE good reason not to have a tiny desktop. "Because they're small"? BOOOOO that's not a real reason! What are we, back in 1911? Does everything have to be vacuum tubes the size of a warehouse? BOOOO Or maybe you say "because they're hard to understand"? Hey, this tiny desktop obeys lots of commands! Maybe even from CHILDREN! You can't even get children to obey you consistantly!
And let us just shoot down arguments like "It's a distraction" or "It won't help anyone learn" before you even bring them up. We live in an age where the last possible job with long-term potential might actually be "robot designer." If robots and the computer world are strange and scary to you and your kids, how are any of you going to survive in a dark and cruel new future where steel is the new flesh? You need to be a person that's comfortable with computers, a person who can make robot friends, a person who understands how robots talk and think! Or else you'll be cast out with the meatlings and never see the brave new chrome sun.
There are no good reasons not to buy a tiny desktop. There never are. ALWAYS SIDE WITH THE COMPUTER, PEOPLE. ALWAYS.