Chatting - Live or Online
The question does not specify live vs online chatting. For me there is a big difference.
In live games there are two situations for me - my weekly game with friends, and the infrequent casino card room game.
My friends and I always chat about all kinds of things, mostly sports, a little news, a little family, and far too much about what is going on in the current hand. But, it is a friendly, easy-going game, so nobody gets upset or stops others from talking about the hand in play.
In live casino games I will greet new players sitting down beside me and welcome them to the table. Sometimes there are small discussions at different ends of the table, and the occasional table-wide talk. I am playing to win, but not taking it too seriously, so the chatter does not bother me.
In Online games I generally do not bother chatting. Everyone is a stranger, just an avatar, and not there to be friends.