Originally Posted by
Viajero Perpetuo
If on SEPARATE tickets, these days, the airlines will most likely go by the strictest standard and see only EZE-SCL meaning you must meet all entry requirements for Chile. Or, as even if the above transit was allowed to get on the first flight, you would be denied boarding the moment your carry-on was pulled and it was found you do not meet all the entry requirements for Chile.
And the OP should expect zero flexibility by a LATAM agent, and the agent's supervisor.
The OP's biggest problem isn't using the transit connections @ SCL, it is being able to get on the plane to SCL altogether.