Agreed, those are the same reasons I was happy to see the posts that came well before mine. People that know me well know I will poke holes in everything. We didn't decide on Redis (over tried and true PostgreSQL) for nothing. (We have also used and do use other NoSQL when truly applicable.) I love seeing smart use cases for new DBs.
1. showing the different kinds of applications people are using redis for;
2. as individual anecdotes that are slowly-but-surely adding up to real data.