All of the 11 grok co-founders alongside Elon quit: https://techcrunch.com/2026/03/28/elon-musks-last-co-founder... so that will have hampered grok.

Like Zuckerberg, top talent may not work with a polarising character if they disagree with his behaviour. Space focused talent don't have many choices aside from SpaceX but ai companies are a plenty and a top AI person can pick and choose.