Previous comments are spot on.
One thing I would add is that Lemmy is a particularly sensitive case, because we really want to encourage activity and growth at this stage. It pains me when communities without much activity get a meme post or something that makes it into /all and the mods remove it for being off-topic.
Overly strict moderation is one of the fastest ways to drive people away from a platform. Just follow your natural instincts and let people post what they want as long as it's not harming anyone.
I would estimate
Y'all be showing your age sometimes ๐