the point is that this is only benefiting those that already have money
A bunch of foreigners showing up to pay more than you can for rent is not a good thing.
Ireland has pretty good education system while there are certainly immigrants a large % of positions is actually occupied by people born in Ireland.
/s in the end? (genuine question)
I'm pretty sure. They're poking fun at people who see the billions in tax dodge BEPS schemes included in Ireland GDP and think it has any bearing in reality.