The reason why Musk eventually bought Twitter, when he did, and at the price he paid, was to avoid having to testify under oath in the lawsuit against him. He was going to be deposed, exposed, and in the end he was also going to lose and suffer the indignity of having to pay a high price for something he fiercely said he didn't want anymore. Better bite the bullet earlier than later. Now that doesn't explain why he w…
He implied in a few interviews that he wants to turn it into a WeChat version of the west. Doesn't 200M+ daily active users opens up that door.
Additionally Twitter has as far as I can tell (speculative) a much much less stable foundation in the EU then it seems if you just look at daily users count.