Not completely true. There's a tick which can make you allergic to animal cell structures, basically making you vegan. So lab grown meat would still be a no no. For me, I want to eat plant (and fungi) based products so I don't want lab grown meat (although I would like to try it once). I think lab grown meat is amazing, because people who desperately want to eat meat can do so without feeding the fucked up meat industry. Less livestock means less chance on virus mutation, so less chance of pandemics. I think this is the most important reason to reduce global livestock.