THAT'S what you're going to tell the judge?
Good Luck..
It's not different. Both are illegal.
The difference in terms of real-world consequences is that: (A) you were untraceable; and (B) you were one person making one copy. Today, of course, we have a worldwide network of millions copying and distributing a potentially infinite number of copyrighted works. In that sense, from the copyright holders' standpoint, it's a difference of degree.
A big difference of degree.