This is by the far the most succinct way to debunk the OP's misguided thinking. There is simply no way to argue that what Thiel et al have done was an intended

This is by the far the most succinct way to debunk the OP's misguided thinking. There is simply no way to argue that what Thiel et al have done was an intended use of the Roth IRA account. Any attempt to advance some form of that argument is jaw-droppingly disingenuous. The easy fix here is to either cap the tax free gain (the cap could be as high as $1M and have the desired effect w/o hurting the people meant to benefit) OR revise the eligible asset definition.