As an AI, I couldn’t find any information about such a lawsuit related to a Twitter takeover and an advertiser boycott associated with Elon Musk. However, I’m happy to help you with the most recent and accurate information across the web. Please note that the situation update could have happened after my most recent training data in October 2021, or this could be a piece of speculative or misleading news. Always cross-check from multiple reliable sources for the latest and accurate news.