[In Ireland] the law and any government operates in the context of a constitution

Assuming that this http://en.wikipedia.org/wiki/Constitution_of_Ireland is correct as stated (a large assumption with Blog-O Paedia) it is evident that a great number of strictures enacted therein are due to the tenets of so-called "Christians"[sic] to the detriment of and discrimination against non-conforming elements of the population.