FLoC OT was already finished, but some users still test FLoC with manually enabled options.

I had an issue that they have the wrong cohort id from unexpected histories when a feature flag of FlocPagesWithAdResourcesDefaultIncludedInFlocComputation is missing as noted in shigeki/floc_simulator#2 (comment).

@samdutton Could you please update your article of https://web.dev/floc/ to avoid unnecessary confusion?
Or it might be one option to stop the current FLoC features completely even when feature options are used.