Oh I remember those! I think minecarts can still do something like that, when you stack multiple into the same spot and remove the rails; they just push each other until something disturbs them.

Furnace minecarts are so useless, the best usecase for them I saw was putting them in the ground where the top sticks out as a decoration.

What does a pillow like that look like? Got a pic?

In GN’s video the law firm mentioned there are 3-4 cases already and they are probably getting combined or go to the same judge. (IANAL; IDK the specifics)