The Internet of the 1990s was Microsoft’s Waterloo, thanks in part to the government. Open standards kept the Internet open, they continue to do so, and this remains the high-water mark for competition and growth within any platform.
How can that be guaranteed into the future?
That’s what open source was all about. Open source creates competition for anyone who builds a dominant platform. Linux beat Windows, but Linux did not create dominance any more than the Internet’s TCP/IP protocol did, because everyone had access to it.