For me it comes down to motivation and character.
What motivation does AA have to gain by perpetuating the lie:
$
What motivation does Brian
really have to gain personally? Nothing he's ever said, done, or posted allowed me to think it's about credit for him. He's got an impressive imdb page, a professional resume, and plenty of our favorite films for that. Since it ain't money, and it ain't glory, I can only assume it's exactly what it looks like - his character - and that he's not going to stand by and do nothing when words like this are so easily posted online:
Add this to the fact a well respected member of the spfx community, an
original member of the Star Wars production team (and yes, to me, that is cool), willingly chooses to come here and participate in our community, well, seems like one of the good guys to me.