The provision sources, flavors and workload profiles are too technical and even an advanced user does not know which one to choose in which situation. There is a need to provide help texts to them. This is how they should look like: http://openshift.github.io/openshift-origin-design/designs/virtualization/4.x/create-vm-dropdowns/create-vm-dropdowns.html#general-step
verified on master.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (OpenShift Container Platform 4.6 GA Images), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:4196