Why was Roald Dahl anti-semitic?

There was some controversy over this because he had made some anti-sementic remarks over the Isareli invasion of Lebennon. However, he went back and corrected what he said and apoloized for the remarks and said that it was taken the wrong way.

Roald Dahl told a reporter in 1983, "There's a trait in the Jewish character that does provoke animosity ... I mean there is always a reason why anti-anything crops up anywhere; even a stinker like Hitler didn't just pick on them for no reason." He never apologized for this horrible racist remark. It is hard to see how it could be taken "the wrong way".