Mastodon’s main problem IMO is how long it takes for features to make their way into the live version.
Bluesky’s main problem IMO is how it is fundamentally a profit driven venture that cannot tolerate slow and steady growth and how fundamentally, no matter what anyone including the CEO says, Bluesky must and always will unflinchingly support the interests of its investors over the interest of its users, period. To really spell things out here, the continued employment of anyone at Bluesky is fundamentally predicated on their ability and desire to do this very thing.
Bluesky is a business, after all
Which is why Wolf Of Wallstreet is the most honest 'murican love story ever written