> Maybe training data other companies won't touch

That's a bingo. 3 weeks ago, Musk invited[1] X users to Microsoft-Tay[2] Grok by having them share share "divisive facts", then presumably fed the over 10,000 responses into the training/fine-tuning data set.

1. https://x.com/elonmusk/status/1936493967320953090

2. In 2016, Microsoft decided to let its Tay chatbot interact, and learn from Twitter users, and was praising Hitler in short order. They did it twice too, before shutting it down permanently. https://en.m.wikipedia.org/wiki/Tay_(chatbot)