theodp writes "On the Malaysian leg of a whirlwind Asian tour, Microsoft chairman Bill Gates voiced his concerns over the growing goodwill towards open source, especially in Asia, emphasizing how damaging open source software can be. 'If you don't want to create jobs or intellectual property, then there is a tendency to develop open source. It is not something you do as a day job. If you want to give it away, you work on it at night,' he said. Gates, who apparently has never contended with the horrors of a VB upgrade, when on to say that '[Open source] doesn't guarantee upward compatibility.'"