In the two years since Blueskyopened to all comers, the social media app has gained 43 million users, an amazing feat for a company with fewer than50 full-time employees. That growth got a huge boost fromMusk’s anticsin the lead-up to the 2024 election, which endowed Bluesky with a base of devoted users — users who skewed heavily progressive and brought with them cancel culture tactics that had flourished on X. Those users are now the platform’s biggest barrier to growth.