They suggest that Reynolds made 753 fork blade stickers, and downtube stickers that claimed 753 forks, but that no such thing existed? That's a pretty serious case of bicycle denial.
As far as whippiness, I barely rode it. I bought it to sell on, and though I did try to take it for my 20k training loop, the aero position was so extreme that my neck hurt after a mile, and I came back!