We have two possible games, with most of the setup the same. In one, Monty reliably reveals a goat. In the other, Monty picks randomly between the other two do

We have two possible games, with most of the setup the same. In one, Monty reliably reveals a goat. In the other, Monty picks randomly between the other two doors. We are, in parallel universes, playing both of those games. We know which. The host has just revealed a goat. I read fouronnes3 as saying that these two situations are the same. They are not.