Surveys have indicated 75 to 80 percent of Greece people  like the euro and want to retain the currency.Due to increased political uncertainty in Greece, EU officials have prepared a plan in place for worst-case scenario and had discussed limiting the size of withdrawals from ATM machines, imposing border checks and introducing euro zone capital controls .

Plans  are discussions among finance experts who need to be prepared for any event like greece exit from euro.It is sensible planning for the extreme thing.