It’s small now, but growing. You can’t scroll infinitely for new content. It’s grown a lot in the time I’ve been here. The smallness can be a positive if you work to have genuine interactions with people. There’s no “karma” and some instances have disabled down votes entirely. You have sometimes subscribe to more than one community of the same topic (each on a different instance).
This user is spamming this garbage everywhere. Look at their post history.