Then you should appreciate that the reliability of the social network is just fine. The idea is this social network isn’t dependent on one instance.
Now, granted, if a big one struggles, the network loses some communities temporarily, but the network is stable and other instances remain active.
It’s just growing pains from an extreme influx almost literally overnight and generally just that this is somewhat early days. It’s going to be messy, it always is early on, no matter what the social network.
Also…there’s a non-zero chance it’s getting hit relentlessly by DDOS.