And yet not long ago you said this.

Also remember that the dust speck causes them to blink, measurably.

That has no bearing on the question of self-determination. The sum total of a finitely-large-but-humanly-incomprehensible infinitessimal suffering events in terms of their impact on self-determination is, arguably, non-negligible, but it certainly isn't equivalent to the total, repeated, ruination of said function.

The fact that you have to choose is a not one of the properties of those worlds.

May or may not be a property of those worlds. The question is agnostic to how the worlds are implemented. This is not a trivial or irrelevant detail. In the absence of justification for removal of this property it must be considered.

Even if we do away with that consideration, however, on the balance the argument I've been making holds true.