Someone said :
Don't understand why they don't sell booze in a square where there is a stage and music, know your audience.
Because... they know their audience...?
And by the way, booze will be sold in bars.
(But one cannot exit the bar with a drink in hand...)
The ban is on entering the square with booze!
Under the Criminal Justice (Public Order) Act 1994 , it is an offence for you to be so drunk in a public place that you could reasonably be presumed to be a danger to yourself or to anyone around you. If found guilty of this offence, you could be liable to a class E fine and a member of the Garda Siochana can confiscate any alcohol you may be carrying.
It is illegal for a licence holder to sell alcohol in a closed container (i.e., can or bottle) for consumption off the premises in a place 100 metres from the premises. If you purchase alcohol in this way, you could be liable for a class E fine.