“because they deserted to help the British despite Ireland’s neutrality”
If they were deserters then the title is misleading; in any case they had a foe much closer to home who unlike Germany, is still there. In 1916 a previous German administration gave Ireland the guns that eventually helped them get independence for the Republic; Ireland (and the US) had no reason to fight for Stalin or Hitler.
Now that’s pitiful.
I will bet you wonder why you are disliked