In modern, the speculators who organize and participate in these expensive group box breaks are going to eventually move on to something else to get their gambling fix.
In postwar, the collections put together by baby boomers combined with the glut of altered cards will flood and crash the 50s-70s market.
In prewar, everyone will finally realize that there are more T206 cards in existence than there are stars in the sky, and that market will crash.
The only saving grace of it all will be something quite unexpected. After decades of being mocked, taunted, buried and burned to the ground, the final 1988 Donruss card in existence will sell for one billion dollars.