Yes, but for capitalism it’s a delicate balance- too many job openings gives labor more power, but too few job openings gives people reason to challenge the status quo. That 3-4% may be enough for the capitalists, but what happens when 15-20% of your workforce are unemployed because of automation? That’s when civil unrest happens.

Remember that the most progressive Presidential administration in US history, FDR, happened right after the gilded age and roaring 20’s crashed the economy. When 25% of Americans were out of work during the Great Depression, social programs suddenly looked much more preferable than food riots. And the wealth disparity now is even greater, relatively, than it was back then.