Publicity is key to Bitcoin's success. It takes different people different amounts of time to understand it but the fundamentals are sound. Society has to catch up to bitcoin, not the other way around. Selling his house for BTC made headlines and really got people thinking. The shortsighted may be mocking him now, just as people might ridicule someone who paid 10,000 BTC for two pizzas, but there has to be pioneers who take risks to get the bitcoin economy established.