In the US yes, and companies are free to ruin the lives of thousands of people overnight in most states thanks to at-will employment.
In Europe, where Nokia is based, companies have to actually follow laws. No firing of individuals without cause, mass layoffs outside of bankruptcy have minimum terms (in Germany, you have up to 7 months until your employment actually terminates), and usually employers have to broker deals with unions, worker representatives (Germany: Betriebsrat) and government / unemployment insurance schemes as well. As a result, there's no need to "rip bandaids off" - employees know that even if there's talks of layoffs going on, their lives won't be upended randomly.