It may be fine to route the alert to the code owner but yet another gotcha of the microsevice architecture is that a localized alert will often issue a cascade

It may be fine to route the alert to the code owner but yet another gotcha of the microsevice architecture is that a localized alert will often issue a cascade of failures and the component that alerts may or may not be the one that needs a fix nor is it necessarily the one where the problem can be mitigated.