Not sure about Ireland, but Switzerland used to be true, but now it is also far behind since 5+ years.
See, Google Zurich vs Seattle
https://www.levels.fyi/t/software-engineer/locations/greater...
https://www.levels.fyi/t/software-engineer/locations/greater...
Hm, after carefully reviewing the entries seem more or less the same, Zurich slightly lower.
Considering the low taxes and lower cost of living in Zurich (yes, lower than Seattle), and the much higher quality of life, Zurich is a no-brainer.