Notice how badly the share prices of most such tech firms have fallen in the past year. Investors, Wall Street, and Boards of Directors are for-sure putting loads of pressure on tech firm CEO's to Do Something to fight that trend. Slashing some of the (supposed) payroll bloat that was built up "back when the living was easy" is a great way for a CEO to look like he's Doing Something.
Are we just looking at one year now? Shares of google have doubled in the past five years.
Doesn't matter. Investors care about the next quarter.