I think he means that Lucas is plain stupid for ignoring it and the things that happen after it. But that's okay. Can any of you imagine how bad Star Wars' EU would have been if Lucas was making it? I'm just glad he didn't ruin an era with potential. He can have his 'Clone Wars' era, for all I care. The New Jedi Order and Legacy era will forever be superior to every one of his mistakes.
"...Turns to me, and he says,
'why so serious, son?'
Comes at me with the knife...
'Why so serious?'
He sticks the blade in my mouth...
'Let's put a smile on that face!' "