In the various recent kerfuffles surrounding science fiction and its awards, there have been a couple of people (and their spouses, declaiming about their beloved) who have been slapping down Mensa cards as proof that they (or their spouse) are smart. Let me just say this about that:
Oh, my sweet summer children. Just don’t.
If you want to be in Mensa, that’s fine. Everyone needs hobbies and associations, and if this is the direction you want to go with yours, then you do you. Not my flavor, but then, lots of hobbies and associations aren’t my flavor.
That said:
1. Literally no one outside of Mensa gives a shit about your Mensa card. No one is impressed that you belong to an organization that has among its membership people who believe that because they can ace a test, they are therefore broadly intellectually superior to everyone else.
2. Your Mensa membership does not imply or suggest that you are the smartest person in the room. Leaving aside the point that the intelligence that Mensa values is a narrow and specialized sort, a large number of people who can join Mensa, don’t, for various reasons, including the idea that belonging to a group that glories in its supposed intellectual superiority is more than vaguely obnoxious.
3. Your need to bring up the fact you have a Mensa card suggests nothing other than it’s really really really important to you for people to know you’re smart, and that you believe external accreditation of this supposed top-tier intelligence is more persuasive than, say, the establishment of your intelligence through your actions, demeanor, or personality. Which is to say: It shows you’re insecure.
4. Your Mensa card does not mean you know how to argue. Your Mensa card does not mean you do not make errors or lapses in judgment. Your Mensa card is not a “get out of jail free” card when someone pokes holes in your thesis. Your Mensa card does not mean that you can’t be racist or sexist or otherwise bigoted. You may not say “I have a Mensa card, therefore my logic is irrefutable.” Your Mensa card will not save you from Dunning-Kruger syndrome, and if you think it will, then you are exactly who the Dunning-Kruger syndrome was meant to describe. You Mensa card will not keep you from being called out for acting stupidly, or doing stupid things.
5. Your Mensa card does not immunize you from being a complete, raging asshole.
In short, it’s not actually smart to flash your Mensa card, and if you were smart, you’d know not to do it. If you have to resort to waving your Mensa card around to establish your intelligence, you’re signaling that you have no other way to do it. And you don’t have to be a genius to know what that actually means about you.