I don't think it is about research, design or experimentation to get product market fit but technical expertise. Just look at how Apple is organized compared to the competition - technical people lead: https://news.ycombinator.com/item?id=31052647

Proof: The majority of today's winning or great products were started by technical people. Yet the industry feels the need to systematically discover "the next Steve Jobs" with MBAs, PMs, methodologies and buzzwords to justify the success of the next innovations...

Not denying its usefulness, some of these might help but seems like too much buzz