You make a good point. The Euro does have a fundamental problem -the disjunction betewwn eurozone responsibility for policy with national political accountability is an ongoing problem.
I dont see much evidence it is doomed to failure though, I see that as Brexit rhetoric.
It is more likely that the Euro to doomed to succeed - ie it will continue not as a great success but it will continue because its survival is based on consequences of
the alternative.
Today, a higher proportion of the adult population is economically active than in the US. Unemployment rates are also declining, even in the most crisis-hit countries. The euro has forced important reforms. All this is significant
Lets not forget the euro has forced important reforms, a higher proportion of the adult population is economically active than the US and even in the worst hit Euro countries unemployment rates are falling
Brexiteers wouldnt want the economic damage of a Euro collapse, London does around 1 trillion Euro trades every day.
And no, Eurozone flaws does not justify the UK leaving the EU.
