If implementation of an FTT is indeed a no-brainer, as suggested at yesterday's launch in Dublin of RobinHoodTax.ie, it is because of its potential influence in creating a more stable and balanced economy within a fairer society. These may not be the lead messages of a campaign featuring the #MakeBankersPay hashtag and emphasising the dogoodability of FTT tax receipts. But arguably they should be. By Graham Barnes.