I think the idea with the “canary in a coal mine” isn’t that it’s the margins that are at risk - it’s a signal that those margins have moved. When working cond

I think the idea with the “canary in a coal mine” isn’t that it’s the margins that are at risk - it’s a signal that those margins have moved. When working conditions worsen, and those at the previous margins leave, does that mean there’s now new people in the margins who were “safe” before?