Of course I'm aware of that. After all, I was born before IBM announced the RAMAC 350 Disk Storage Unit. [1] [2]
To understand the problem, consider two things.
First, imagine another word that rhymes with "disk". I will just call it "di*k" here.
Second, the problem wasn't that my hard di*k was too small. I could have the biggest hard di*k in the world, but if it didn't have enough free space, there wouldn't be room to install Acrobat.
So the message had an admittedly slim chance of being misconstrued, but more importantly it was just plain incorrect.
