Guys you will never stop them coming... its human nature. Just see CX as Pied Piper of Hamelin.
There enough information out there about the T & C, the workings of CX etc... Just let them be... a person learn by making mistakes...when they do, you have the privilege to say "i told you so
". You cant keep holding there hands for ever, its dog eat dog world, besides in a few month they be flying a Big shiny jet.