Taxes are a part of the story, but neither the whole story nor sufficient on its own. There are other countries with lower corporate taxes, but with a worse economy.
Other things it’s got going for it is a highly educated English-speaking population, geographically favorable location between Europe and the US, which, together with the favorable tax policies, makes Ireland especially useful for American tech and pharmaceutical companies.
Other things it’s got going for it is a highly educated English-speaking population, geographically favorable location between Europe and the US, which, together with the favorable tax policies, makes Ireland especially useful for American tech and pharmaceutical companies.