I'd be interested in any examples where a "zombie" company in the US was sloshing around for a few years and then finally found product market fit. I think it's

I'd be interested in any examples where a "zombie" company in the US was sloshing around for a few years and then finally found product market fit. I think it's probably incredibly rare, and I don't think it's really that hard to identify weak companies that have been treading water for years as you appear to think.