What happens to all these decade+ year old startups in the event of a recession and/or market collapse? You might be looking at 5 or more years before market co

What happens to all these decade+ year old startups in the event of a recession and/or market collapse? You might be looking at 5 or more years before market conditions are conducive for loss-making startup IPOs. Stripe is better than most of course, but plenty of 10-15 year old startups with negative cash flow and no exit path for another 5 years.