I think one of the biggest things is the budget. For a studio, becomes a very big challenge to make sure that movie will work even better on every level. As an actor I don't think in those terms when I make a movie.
Dublin. . . is not only the capital of a nation, but the capital of an idea. The idea of Irishness is not universally beloved. Some people mock it, some hate it, some fear it. On the whole, though, I think it fair to say, the world interprets it chiefly as a particular kind of happiness, a happiness sometimes boozy and violent, but essentially innocent: and this ineradicable spirit of merriment informs the Dublin genius to this day.