In https://docs.openshift.com/container-platform/4.12/serverless/integrations/serverless-ossm-setup.html#serverless-ossm-enabling-serving-metrics_serverless-ossm-setup
The docs asks uses to create NetworkPolicy "allow-from-openshift-monitoring-ns" but it should be generated automatically as SO code
The docs should remove it.

Here is the part to be removed:

NOTE: I set affects Version/s to 1.25+ but it affects all released versions.

[DRAFT]
Just remove the instruction:

2. Apply the following network policy to allow traffic from the Prometheus namespace:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-from-openshift-monitoring-ns
  namespace: knative-serving
spec:
  ingress:
  - from:
    - namespaceSelector:
        matchLabels:
          name: "openshift-monitoring"
  podSelector: {}
...