Actually it parallelizes extremely well, so that large companies are able to create monster models like mentioned in the article in the first place by just thro

Actually it parallelizes extremely well, so that large companies are able to create monster models like mentioned in the article in the first place by just throwing money at the problem with TPUs and similar highly parallelized accelerators. It just doesn't lend itself well to distributed computing due to e.g. throughput requirements.