I am aware that we support only the OLM installation but I believe that we should disable the non-olm installation or fix this issue:

The OLM installation install the `registry.redhat.io/integration/camel-k-rhel8-operator`

oc get pod camel-k-operator-75f68b7569-bq52c -o yaml | grep 'image: \S' 
    image: registry.redhat.io/integration/camel-k-rhel8-operator@sha256:f59506aecf6290e5e663cbfbdaed34bd43edb283870778a17ef6aee0ba5e9590
 

but If I use the non-olm installation (`kamel install --olm=false`) the Kamel cli try to install registry.redhat.io/integration-tech-preview/camel-k-rhel8-operator:1.6.0

kamel install -o yaml --olm=false | grep 'image: \S'
          image: registry.redhat.io/integration-tech-preview/camel-k-rhel8-operator:1.6.0