Air France
One is minded to think of the great history that Air France has in pioneering South Atlantic routes and the huge number of people they have carried safely over these routes. It is far too early to start questioning ETOPS or anything else as we have no meaningful data to even begin speculating.
Those who can should pray for the passengers and crew as well as those who are looking for them. At this stage there is nothing else to do but wait for data from the reconnaissance people.