According to public campaign financing data, RFK Jr. is raking in more money from individual donors who previously donated to Trump than from donors who previously donated to Biden.
RFK Jr. will badly hurt Biden.
The reason is that the “buzz” will be on mass media which Democrats and Democrat leaning Independents watch and believe while Republicans and Republican leaning Independents ignore and hate.
You don’t need to believe me. Believe the Democratic political pros:
https://nymag.com/intelligencer/article/biden-democrats-robert-f-kennedy-jr-third-party.html
https://thehill.com/homenews/campaign/4437978-rfk-jr-s-possible-libertarian-bid-rankles-democrats/
https://www.nytimes.com/2023/10/12/podcasts/the-daily/rfk-2024-election.html
https://www.cnn.com/2024/02/13/politics/rfk-jr-democrats-trump-attacks/index.html