I doubt the length of warranty was even a concern for most buyers. “It’s new, it’s shiny, I want one” is the typical attitude.
It’s way too early in the lifespan to even be established as a solid or reliable game. Look at what we now about the typical problems with certain boards or certain games.
Does the situation stink? Yes. Are they at fault? No. They didn’t bait and switch anyone or not honor the terms.