I don't know. It seems more like 99% of startups die, and 99% of large companies stick around. Not that I enjoy working for large companies, but just saying...
Code is pretty much a footnote to that process. It's exactly one of very many tools a business can use.
It's true that technical debt can cause business problems. But it doesn't cause nearly as many problems as having an ineffective sales team, getting killed by regulation, or being eaten alive by a competitor.
Big companies aren't taking the chance.
And no one bothers suing into the ground a muppet with two packs of ramen to their name ...