I imagine there will be much less "virality" with posts on Nostr. Posts on Nostr come and go and unless there is a constant stream of people reposting something. Posts will mainly be acknowledged by followers at the time they're posted and then fade away.

I don't foresee posts taking off virally as much because there is no algorithm that will feed you posts outside of your social circles. I think this is refreshing for a social media platform and harkens back to the original days of social media where it really was just about your personal social circles and not so much about what's trending or going viral.