How do you measure founder quality? Most startups have some amount of traction when they raise VC funding. Either hundreds of thousands of users or $1M or more

How do you measure founder quality? Most startups have some amount of traction when they raise VC funding. Either hundreds of thousands of users or $1M or more in revenue, especially with the bar for Series A getting consistently higher. That would speak to the quality of founders increasesing over time, not decreasing.