It's not just that AI is being pushed on to employees by the tech giants - this is true - but that the hype of AI as a life changing tech is not holding up and people within the industry can easily see this. The only life-changing thing it's doing is due to a self-fulfilling prophecy of eliminating jobs in the tech industry and outside by CEOs who have bet too much on AI. Everyone currently agrees that there is no return on all the money spent on AI. Some players may survive and do well in the future but for a majority there is only the prospect of pain, and this is what all the negativity is about.
As a layoff justification and a hurryup tool, it is pretty loathesome. People use their jobs for their housing, food, etc.