Can someone please explain why it is so controversial to suggest that the Big Co's should slow down or stop their massive growth in the Bay Area? It's (relativ

Can someone please explain why it is so controversial to suggest that the Big Co's should slow down or stop their massive growth in the Bay Area? It's (relatively) easy for G/Amzn/etc to acquire and construct more buildings that employ tens of thousands, but there's no way (even with YIMBYism) to keep up with that influx.