But your examples of bad companies are Coinbase and Uber -- these aren't B2B companies that are caught up in some kind of ouroboros of everyone mutually basing

But your examples of bad companies are Coinbase and Uber -- these aren't B2B companies that are caught up in some kind of ouroboros of everyone mutually basing their growth on each other's business. Both are consumer businesses. What's the example of a company that's actually failing from this hypothesized mode of depending on other startups? I mean, better, what are five examples -- I mean, if this is a group of companies that are mutually dependent, then it can't just be one failing.