Do you have any actual argument other than just saying “Bullshit. your vote matters.” though? Anything more to back that up, with a basis in how the system actually functions? Do you think the democrats will legitimately provide a challenge to FPTP voting? To the electoral college? Do you think the republicans will? How would that get overturned, what would that actually look like?
It’s because the movies are written by christopher nolan, and that guy does not have good politics. The other guy is right with their explanation, but the underlying message is, as you say, pretty much total nonsense.