Subjectively, Lemmy's communities are much more robust and have a lot more content than they did during the Reddit API exodus. I imagine there will be more people who choose to stay this time around.
The problem is that communities feel dead if they're below a certain critical mass of users and the resulting content. If we can hit that critical mass it will take off on its own
Yep, I discovered let me during the API Exodus, and then came back recently with this last wave. They're definitely feels like there's a lot more here than last time!
Also finding a lot of value in reading and actually interacting with comments and content, on Reddit I just felt kind of drowned out and a lurker