They are fighting for their life (whether they admit it, or just think they're minimizing the amount of damage to their ipo) and they have expansive resources. Surely they're doing all they can to limit the leak, likely many things we have no idea about.
We won't have any idea of how huge the impact is on reddit.
But we already know what it's doing for the Fediverse.
Nice. Never liked Uber, another reason to avoid it.