Loud and animated means they're having a great time, energy and laughter at the table is a sign of an excellent experience, not a disruption to manage.
Expect groups to reorganize seating, Argentine guests may push tables together or rearrange to fit their social dynamic, so assist flexibly rather than resist.
Sharing food is completely normal, anticipate communal ordering, passed plates, and a table culture built around shared enjoyment rather than individual meals.
Meat quality and doneness is taken seriously, Argentina has one of the world's strongest beef cultures, so staff should be knowledgeable and precise when taking and fulfilling meat orders.
Never deliver the check uninvited, presenting the bill before it's requested is considered disrespectful in Argentine culture, so always wait for the guest to ask.