Perfect, every time that a new over-dramatic movie like that comes out i back to the martian and is even better every time, because THAT is how astronauts are, or should be, NO like that aberration that was MARS on national geographic (for example). This scene is the equivalent of a group of engineers consulting with a specialist, which is a real thing that real scientists do. That scene is the equivalent of explaining who wrote the constitution to a Supreme Court justice while using a stapler to drive home the point As one of the characters states, the choice is between safely bringing 5 home or risking 5 people to bring home 6. Now that NASA has two plans, they have to decide to stick with their initial plan of just sending a resupply craft to Mars or doing Glover's slingshot-resupply maneuver.

This scene also sets up the next obstacle/conflict. The real information here is that Glover has done the actual math calculations to prove the plan will work, as that's his field of expertise. While this scene is 100% intended for the audience, the character is shown to be kind of quirky and would likely do this visual presentation for himself as well as for anyone he's presenting to. The whole purpose of the meeting was Glover presenting his plan to the PR person, the director of NASA, the mission manager, and the two teams that have been working remotely. I just re-watched this scene and I politely think you maybe forgot a lot or weren't paying attention.

The martian movie clips