What did happen uniformly is that all essentially stopped hiring after 2022.
https://www.macrotrends.net/stocks/charts/GOOG/alphabet/numb...
https://www.macrotrends.net/stocks/charts/MSFT/microsoft/num...
https://www.macrotrends.net/stocks/charts/AAPL/apple/number-...
https://www.macrotrends.net/stocks/charts/META/meta-platform...