If a reminder was needed of the US tech industry’s importance to Ireland, the launch of Meta’s vast new international headquarters in Ballsbridge, Dublin last week would have done the job. After 14 years on the ground, the Facebook, Instagram, and WhatsApp parent company described the brightly coloured new campus as an “underscoring” of its commitment to Ireland after a “challenging year”.  In bald terms, Meta’s “challenging year” involved cutting around 840 jobs from its Irish operations as part of wider cuts arising from a slump in tech stocks in 2022. On the plus side, 2023 has been a year of…