Jeff Bezos seems to disagree with you. Ask people about the first 10 years of Amazon. Mark Zuckerberg also disagrees.
Mark was a perfectionship in releasing a working product. That doesn't mean it was good from a programming standpoint, but it was tested and always worked well.
eBay is the poster child for shitty software. At one point their CTO was requesting one Sun E10k per month ($2 million each fully populated) because of how slow and leaky their Windows code was. The board said no and they had to fix it.