Raj Namboothiry, head of staffing firm Manpower’s US division, told Business Insider that if employers start downgrading severance to one-size-fits-all or none-at-all, workers will see no advantage to staying at a company for more than a few years — and that could cost employers a lot in turnover.Amazon, for its part, issued an ultimatum: Workers must return to the office at operation centres in Seattle, Arlington, Va., or Washington, D.C. — or resign without any severance at all [4].But there is no federal ...