It's not supposed to be scientifically meaningful it's a reprinted press release that is supposed to spin a narrative that makes Amazon workers feel insecure about their jobs and investors feel confident that those wages will shortly be converted into dividends.
You can tell what the Wall Street Journal's true feelings are about automation by reading an article about retirement and dividing the number of times they use the term "AI" by the number of times they use the phrase "demographic/retirement crisis" e.g. in https://www.wsj.com/finance/investing/blackrock-larry-fink-a...
"Robots don't take bathroom breaks, so you shouldn't either. If you're lucky, we'll let you work for a little while more until we can replace you with something cheaper. Now, back to work!"
You can tell what the Wall Street Journal's true feelings are about automation by reading an article about retirement and dividing the number of times they use the term "AI" by the number of times they use the phrase "demographic/retirement crisis" e.g. in https://www.wsj.com/finance/investing/blackrock-larry-fink-a...