This is somehow a great advertisement for Bitcoin as this personality has a huge amount of followers. This is a great news for the bitcoin community as it opens the eye of the followers of her about what Bitcoin is and how it will be beneficial for her.
I really agree with your opinion, that as a figure with many followers we know with a blue check by Twitter, it is a sign that there is recognition of him. with what was said at least many people who want to know what has been said about bitcoin. at least a lot of people will try to find out what bitcoin is and then they just need to decide what to do.
Her influenced will bring attentions to those people who are following her, there still many people around who doesn't have any ideas regarding to this investment cryptocurrency. Interest coming from her followers adds potentials for more newcomers from this market.
She can bring people if she will keep providing education regarding to this investment, her popularities will adds up to get more possible investors.