Trump/Epstein connections have been reported on for years with photos and videos so anyone who cares probably was already on the anti-Trump side.
While Musk has a bigger megaphone than most media, he also has a credibility issue - and now especially for the Trump-true-believer crowd that is likely the only group whose bubble would be so shielded that they'd see it as news.
trump was one of the people that originally provided all they knew about epstein to the prosecutors, and once he realized what epstein was, he was banned from all trump venues. What did other do?
While Musk has a bigger megaphone than most media, he also has a credibility issue - and now especially for the Trump-true-believer crowd that is likely the only group whose bubble would be so shielded that they'd see it as news.