"If Elon Musk wanted to revolutionize the car industry, why didn't he figure out how to recycle the materials of the existing cars into Tesla somehow? Instead of making more new cars? Sure, the new cars are more environmentally friendly and sustainable but that doesn't solve the existing waste problem."
But you can't really hold it against companies that are poaching. Whether or not they are friends with you because everyone in tech basically knows each other (through networks).
There seems to be a limited talent pool in specific skill sets for certain geographies. In this case, the market is in the favor of the employee, not necessarily the employer.