If Scandinavians can get along with one parliament why do we need two?

He ignores the fact that the Scandinavian countries and Finland have just one house of parliament and do not have the equivalent of our Seanad.
Despite having just one house of parliament none of the Scandinavian countries has gone bankrupt nor had to have a bailout. Also pressure on public services and level of government borrowings in Scandinavia are much less than they are in this country.