I agree with the viewpoint about honing the pitch. However I have a different take on some of the start-ups. It’s one thing not to know what the value proposition is but it is other thing to believe in a BHAG. Many start-ups had huge success when people initially thought that they could live without that. Twitter is one of those examples. Also, there is nothing wrong in duplicating what someone else is doing. Presence of similar companies signal that there is a market. It is now up to the new entrant to beat the competition by solving the problem well. When Google announced Gmail it was one of the last (as of now) web-based email that was introduced. Google would not have released Gmail or even the search engine if they would have thought that other people are already solving this problem.
I welcome the entrepreneurial spirit of the Silicon Valley. This innovation engine is amazing. I was watching the panelists beat up http://anyclip.com at Techcrunch 50 suggesting that the content deals are hard to come by. I liked the answer: “No one thought that we would have a black president one day”. The company acknowledges that it is an astronomic task but the reward is very high if they can pull that one off. We all know the story about Steve Jobs, iTunes, and the music industry. Let’s not forget that we can repeat the history only if we believe into these start-ups and give them an opportunity to succeed.