It’s not though. Lab grown meat requires several breakthroughs before it can possibly compete with cattle. Growing large amounts of meat in vats requires a clean environment, because the vats don’t have an immune system. All of the cells need to receive oxygen further complicating scaling and they still have to be fed. It’s a very complex and intensive process.

https://thecounter.org/lab-grown-cultivated-meat-cost-at-sca...