Yes, you just sit back and do all of your computing through lowly graduate students. You can easily add more power by promising more desperate undergrads that they can indeed escape college through your guidance. Full voice recognition interface. Never touch a keyboard or mouse again. No hardware upgrades and no installation required.
Every student comes complete with all hardware necessary.
This won't happen with grad. Imagine yelling expletives at your computer. Doesn't work too well, because your machine just sits there and ignores you. Through the grad. This doesn't happen with grad.