So they're willing to keep Gmail which isn't cheap to host and develop free but want to shutdown Google Chat? It feels like this is because Gmail brings in the

So they're willing to keep Gmail which isn't cheap to host and develop free but want to shutdown Google Chat? It feels like this is because Gmail brings in the moolah by making the user to sign in to Google.com, which means all their searches in other browser windows and tabs are tracked to that account leading to user data being collected to be targeted by advertisers. But they don't want to monetize chat data, either because it's not very useful or because of potential backlash, thus they can shut it down to save costs.