Morph says it himself earlier in the movie: "What happened, happened for a reason, and could not have happened any other way."

Consider this: if Morpheus had managed to get the door closed (by cutting the arm off, squeezing it off, sticking the gun through the door space and firing to get Twin1 to 'ghost', etc), then the chase seen would not have happened because the door would have no longer led to that parking garage.

So, what was the most significant event that resulted from the chase scene? The one thing that the rest of the story could not have done without? The arrival of Niobe and Soren. They needed time to leave from Zion and get to broadcast depth and for Niobe to save Morpheus' butt in the Matrix. And then go on to do the whole "Providence" three-ships bit.

Oh, and the Architect wears white for the same reason that Einstein wore the same suit everyday. It is not logical and therefore a waste of time thinking about fashion and color coordination. But somebody should really tell him how much he looks like Colonel Sanders, lol. I'd have walked in and said, "Mmm, MMM! Finger lickin GOOD, eh?!?"

lol, you are half-right. But it wasn't a logical gap that I was trying to show. What I meant by everything happening for a reason was this:

The Prophecy of the One was to culminate in the One returning to the Source. Hence, the necessary meeting with the Architect. Counting backwards from that meeting, you have the egress of the Keymaker, Morpheus, and Neo from the White Hallway; the impending death of Trinity; the destruction of the power plant and control room; the 'Providence' meeting of the three ships captains, the saving of the Keymaker and Morpheus by Neo, the chase by the Twins, and of course, the struggle for the door in the parking garage.

All I was saying (apparently not effectively, lol) was that the sequence of events had to happen in order for the One to fulfill his prophecy. In this, even the smallest detail such as why Morpheus simply didn't simply hack off the arm of the Twin holding the door open, has a significant result.

Sorry I wasn't more clear.

Hmm... maybe you're right and the One's way was really predestined in such a detailed way -- but even if yes, they weren't meant to be stopped by the Twins anyway, so they might have got rid of them in that parking lot aswell, instead of later on the freeway. The result's the same (except, well, less of the car chase ).

And, well, if this "Prophecy" was really mighty enough to control everyone's smallest actions (such as holding the door and not pulling out the sword) and was doing it all the time, it would have the duty to mask itself with logic. The "victims" should have no suspicion so everything would have to make sense to them and their environment.

And now we're where we started: was it logical that Morpheus didn't cut off the albino's arm? As far as I'm concerned, yes. I don't see anything wrong there at all.