100%. A clear sighting turns all the other stuff ... track casts, witness testimony, the PGF, etc ... into minor supporting cast. Those things are interesting, expand my understanding, etc but they are not the basis for my certainty.
The only way BF can possibly be not real is if none of this is real. If you are all a figment of some sort of delusion, maybe a side effect of some drugs that have me in a coma somewhere. They're as real as you are. That's something you can, and I do, bank on.
MIB