What staff can say or should not say on public platforms

In 2023 an employee of the Israeli company Wix, based in Ireland, was dismissed for posting pro Palestinian views on social media.   She won compensation from Wix but the matter highlighted the grey legal area of what staff can say on public platforms which may or may not damage the reputation of their employers.  Saying in your Instagram or Twitter profile that all views expressed here are personal, doesn't offer any protection. So what should companies do? Speaking to Joe this morning was Michael O'Doherty who is  is a practicing barrister, author of Internet Law and Chairperson of MIDBA - media internet and data protection Bar association