That is a community that would work even better on Lemmy, without changing the name. I would love to see the best stories from Reddit reposted here. Unfortunately, it would involve people who like Lemmy but don't mind reading lots of Reddit.
100%, even if a lemmy alternative were to someday be created, so much needs to happen before that (advice/confession communities, regular post updates) that a BestofLemmyUpdates is in the far distant future