Parental Control for Removing Channels/Apps

My Roku account requires a pass code to add channels which I love.  Please do the same for channel removal.  I have 3 autistic children and from time to time one of them will remove a channel/app off of their TV which of course wipes it off of all our devices.  Please make an upgrade where we can parental lock the devices so a channel can't be removed.  Thanks.