Longevity can be achieved for a company with two devs and no outside investment with 15k/month income so they can live ok. But for a vc funded startup you need

Longevity can be achieved for a company with two devs and no outside investment with 15k/month income so they can live ok. But for a vc funded startup you need way more revenue to keep raising money. This is from what I learned in the startups I worked at. I guess uber is a huge success compared to your median startup right?