Funny this is. At some point in Messaging history, hangouts was supposed to be the one stop shop for Google, to include every possible service in the area for Google (SMS, Voice, etc), The bloat and Google love for internal competition started taking down hangouts internal dominance with the emergence of competing products, and from one we ended up at some point with several) (Hangouts Meet, Hangouts Chat, Hangouts, Duo, Allo, Messages, Voice). Now apparently, we are all in for a remerge back into one: Gmail with integrated Meet and Chat. Great. If rather than going through this stupid exercise and they re-engineerd hangouts from scratch to accomplish the same that would have been great.
I still heavily use Hangouts classic. Why? It simply works on anything I run it, very low barrier of entry for communication, and it is what people know. I never transition to anything else, and people appreciate such stability.