> Maybe the situation has changed since 2016. In my experience with several employers since then, it seems like every enterprise architect fell in love with Cassandra around 2014-2015 and then had a long, painful, protracted breakup.

I think 2012-2014 was peak marketing from DataStax. There would be some new major feature with every new blog post, and it would mostly never work as expected. Between 2017 and now, things have settled down.