It's not age. The reason is that there are lots of large mature businesses where people can coast due to poor accountability. If you're at a startup with equity

It's not age. The reason is that there are lots of large mature businesses where people can coast due to poor accountability. If you're at a startup with equity you'll be much more self-motivated. Older people (especially with kids) probably just want to get the easy money instead of the risky, long-hours startups.