Are you really arguing that everything can be bootstrapped without up front investment? I know many things can, but equally many cannot in non geological time.
There are things that can't be bootstrapped. They tend to involve the upfront purchase of millions of dollars of scientific equipment or a decade of R&D. Things like drug candidates and commercial airplanes. That's where venture capital originally developed.
I am unaware of and have not been able to think of a software business that requires comparable investment for technical reasons. When you see a software company that must be backed by venture capital, it's to fund anticompetitive practices.
_Maybe_ if your software business idea had at its core some fundamentally hard problem and you needed expensive hardware to be able to run your service fast enough to support all your customers... but even then you could probably get by on cloud providers and being a bit slow, if what you did was useful enough to be worth waiting for. Then just upgrade as you get more customers paying more money.
No. Not everything but hundreds a day at least. work hard. Save up. Identify a problem. Solve it. Nice and neat. Sell the solution. Profit. Spend some on marketing and sales.
