I once spent a fair while reading the web site of someone who at least played the role of an "Imperial sympathiser" (the site was devoted to arguing "the Empire could beat up on Star Trek's Federation"), and at times it seemed he would discount the opening crawl as "the movies have their own point of view"... but by that time, it seems you're less interested in what anyone can see than in what you've set up inside your own head.

For some reason, I find myself wondering about "blank faces" and whether anyone would try and turn that back with the accusation "indifferent acting/direction!", or whether they'd just say "they're keeping track of the choreography, and maybe the emoting has to wait for the scenes afterwards"... but I can also wonder about looking back at those "scenes afterwards" one day, too.

(And this isn't a direct response to the comment, but one point I realised I'd forgotten to set down was to ask if, just perhaps, Yoda's comment is meant to inspire thought in those he's telling it to than to be interpreted as narrowly as possible.)