@EmeraldIsle2016
You obviously have no clue what you are talking about.
You should know full well that the reason a breakdown in the GFA would be so terrible is that it would plunge England, Ireland and Northern Ireland into violent struggle again. People died in Birmingham, Manchester and in London as well as in Dublin, Belfast and Londonderry.
The question you should be asking is: Is leaving the EU worth reversing decades of work to integrate Catholic and Protestant communities in Northern Ireland?
Is leaving the EU worth the break up of the United Kingdom?
Is leaving the EU more important than peace in our time?
Ireland is not just a country of 3 million people. It is also a close trading partner and ally of the US. The Irish community in America were the ones who helped broker successful intervention in Northern Ireland. The US will not help to bail us out if we break an international treaty that they specifically set out to broker.