Lemmy has a lot of work that needs to go into it in order to handle very large instances like this one. Fortunately the community seems to be patient, but these issues won’t go away overnight.
So the answer to your question is yes… for now. But they’ll fix it. Reddit had the same issues early on and they fixed it.
This being Lemmy I expected the picture to actually be a naked person until I noticed what community it was posted to.