@dansup I believe it's not spam.
Due to nature of Misskey users being creative with their post using Misskey-flavored Markdown, Misskey users are getting more creative with their post.
Western instance generally filled with people talking about politics, social problem, etc. But Japanese instance, especially Misskey.io, is basically people doing creative things. Public feed is filled with fanart, poems, cool photograph of anime plushie, sharing indie games. Also :blobcatpats: