Of course, it is worth it to take the time to think carefully through your assumptions, and ensure you at least have hypotheses around how you will create value. But use the analysis as a way to focus attention on the most critical assumptions, rather than spend a ton of time massaging the numbers.
Scott D. AnthonyI use the term "fool's gold white space" to highlight a common problem for innovation. People see a market that doesn't exist, and assume that one should exist.
Scott D. Anthony