This was the solution, embedding credentials to make the layer secure and sharing it only to the app/map you want it to be edited from: https://support.esri.com/en/technical-article/000017029 I tested using my own public account and could access none of the feature layer and data, or the web map. All that was allowed was submission of information through the consultation app we were running, but in the app users could not see feedback they or others provided. The consultation ran successfully. Please note feature layer views were problematic for this, it is easier to use the original hosted feature layer.
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