I think there is a massive clash between Musk and Twitter's internal culture and so beyond any changes of external business strategy he is attempting to change

I think there is a massive clash between Musk and Twitter's internal culture and so beyond any changes of external business strategy he is attempting to change that internal culture to fit his. He must know that this implies an extensive change of staff but at the same time it must be paced to ensure continued operation and transmission of knowledge, and that seems to be the tricky bit.