I feel like this excludes all those teams that have a lot of experience but not specifically in startups. There are many moving parts to business and a prototyp

I feel like this excludes all those teams that have a lot of experience but not specifically in startups. There are many moving parts to business and a prototype is just one of them. I'd say modelling the entire business at low fidelity and getting started on all the activities: Marketing, Technology, Sales, Metrics, etc is a good way to show that you're a sound investment.