Elon Musk's attempted fire-by-email of European Twitter VP Sinéad McSweeney has been overruled by Irish Court. You can't fire people like that in Europe. https://www.independent.ie/business/technology/news/twitter-has-reinstated-senior-irish-executive-sinead-mcsweeney-following-generic-firing-email-high-court-told-42185817.html
Twitter has reinstated senior Irish executive Sinéad McSweeney following generic ‘firing’ email, High Court told

Twitter has told the High Court that it has restored Irish-based senior executive Sinéad McSweeney to her position with the company.

Independent.ie