No, they really don't. This article is trash, and I'd feel bad for them if they were some idealist kid, but as an investment banker, they're risking other people's money.
1. Americans have a habit of acting like everyone is a temporarily embarrassed millionaire, but these phrases like "down to your last few thousand" and "9-figures" (Yen? Rupees?) are at best embarrassing humblebrags and, at worst, completely tone deaf.
2. We can't guarantee success, but we can all-but-guarantee failure. There are distinctive patterns in who successfully launches a company and who doesn't.
Statistically, the most successful founders are in their 40s and on their fourth venture. VCs aren't keen on them because they're financially comfortable and less easy to exploit.
Of the very-top companies, the magic combo is two domain experts who then hire a "business" person within their first five hires. Think of Apple: two brilliant engineers and the guy who taught them how to sell.
Those frustrated middle class dreamers typically become freelancers and consultants, i.e. "entrepreneurs" who earn a steady living.
Your broke sofa-kipping friend is very, very likely to just get poorer - bearing in mind that Ed Sheeran's claim of "sleeping on sofas" was staying at Jamie Foxx's house.
Sheeran, much as I loathe his music, exemplifies the myth: he had great support and connections in his youth and slowly worked his way up over a number of years with a fair bit of luck along the way.
We like to buy this BS about "hustling" and getting lucky because it's a lot more appealing than the alternative of working hard and learning.