His "data-driven" numbers are misinformed because they're raw. They just look at how many 20-year-olds started a company and took it to success vs. how many 30-year-olds did the same - just raw numbers.
They don't look at the percentage of 30+ people who succeed out of the total in their age group who attempted a technology-startup vs. the same for those in their 20s; and if the difference is statistically significant. If he tells me that 20% of people in their 20s succeed and only 5% in their 30s succeed then he'd have a point, I bet he does not.
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His "data-driven" numbers are misinformed because they're raw. They just look at how many 20-year-olds started a company and took it to success vs. how many 30-year-olds did the same - just raw numbers.
They don't look at the percentage of 30+ people who succeed out of the total in their age group who attempted a technology-startup vs. the same for those in their 20s; and if the difference is statistically significant. If he tells me that 20% of people in their 20s succeed and only 5% in their 30s succeed then he'd have a point, I bet he does not.