If we had an open source algorithm for Mastodon/Pixelfed that learned based on the words in the post and image/video we could have a Following + For You feed that showed you all the posts from people you follow and you could choose to see, say, 1 recommended For You post after every 3 posts from your Following feed. With the option to disable For You posts completely or tweak how often you see these.
Discovering new people to follow on mastodon/pixelfed isn’t great (hashtags are rarely used and make posts look ugly) so I still occasionally use twitter because I often discover new indie animators/gamedevs showing off their project making it really nice to browse the For You feed.
I know how reposts work. I know how hashtags work. They’re not great way for discovery especially for discovering smaller accounts. I constantly get recommended tiny accounts posting their gamedev or indie anime work through the algorithm. We can have chronological and algorithm on one feed so its the best of both worlds