It would not. Because you are taking crazy pills (to use your framing there). You seem to be under the impression that decreasing the money supply just makes prices drop… but the only thing that makes prices drop is people dropping their prices. You even bring up this because you’re doing the magical thinking thing:
But why would they want ISK? Think about it. Why would they want to liquidate the actually-valuable assets into a ‘larger volume’ of something they know will be taken away? Especially since, let’s face it, they’re not fools. They know the markets, and they know CCP. They know this maniac idea of a flat, regressive wealth tax can’t survive, or EVE won’t. They’ll ride it out, and wait. Or they’ll use contracts to sell their assets for other assets, like PLEX (which is, after all, EVE’s real hard currency. ISK is just a currency of convenience, at this point).
So let’s look at what actually happens in your scenario:
Money starts going away. That means you don’t want to have your wealth in money, right? That’s the whole thrust of your ‘hot potato’ argument, that people will be looking to divest themselves of ISK. So the big mining consortiums keep their wealth in minerals as much as they can, because they’ve got those minerals, and those minerals will always be in demand.
So now mineral supply tightens. Demand hasn’t changed. What happens to the price of minerals in that scenario? And the hulls built from those minerals?
That’s because he failed to understand that a PLEX sale is a sale on PLEX for real-world $$$. That causes people to buy PLEX with $$$. Not just people looking to sell PLEX for ISK, either, because the people who normally would buy PLEX for ISK… were just buying with $$$ on the cheap and cutting out the middle-man.
So supply increased, demand dropped, et voila! Prices went down.
Get it? Nothing in your model reduces demand for anything but the now-unreliable ISK. It increases demand among people looking to divest of ISK. Your model for reducing the money supply immediately devalues ISK, because people don’t want to be holding it.