Agreed. An e2e test suite can continue passing with significant bug rot throughout the system, as they’re often given generous timeouts, retries for flakes, etc

Agreed. An e2e test suite can continue passing with significant bug rot throughout the system, as they’re often given generous timeouts, retries for flakes, etc. So once you realize something is really, truly broken; it’s going to be a nightmare to track down and properly fix if the e2e suite is your only data point.