It is not a script, because he mistypes things and hits backspace. Not to mention all the commands that are downright invalid, eg. cd ". "

A script sophisticated enough to replicate the behaviour of a real user at a shell like this would likely actually achieve something.

Anyone clever enough to write a script that does this, wouldn't, because they'd also be clever enough to realise that it's utterly pointless.

The win2k service pack was likely filling the role of "a big file from a fast CDN," for the purposes of testing the machine's connection.