I watched your video. It doesn't seem to demonstrate any of the anomalies that have been noted in Bogus BC II.
What he does demonstrate is that if you bring a pdf into Illustrator and optimize it (funny how now of this happened on the correspondence pdf released the same day by the WH, but anyway) you get layers. And some of those layers contain things that were not on the printed form. So he can remove an 'X' from a check box, or an ink stamped date. Trouble is, he doesn't demonstrate removing part of an ink stamped date which is what you can see on Bogus BC II. He handwaves his way through saying that different shades of black wind up in different layers but never shows an example. There is no comparison of the way signatures are treated. And HE NEVER SHOWS AN EXAMPLE WITH DIFFERENT SIZED PIXELS. Also he doesn't tell us where we can look at his pdf. The guy is a SMOKE BLOWER.
And so are you, I think. Since it's so easy to have this happen, why don't you find us a pdf that purports to be a single scan of a single document posted to the internet before April of this years that shows multiple pixelation. (Not from the Google Books, please.)
ML/NJ
It's not that hard. I've already provided several examples for you. But since you've rejected Google Books (for reasons unknown to me), you can see the same effect on documents from a blog of OCR scans in PDF.
Open the first PDF (titled V50_1757-1758.pdf). You can notice right away that the certain elements of the title page were scanned at a different resolution than the rest, creating the exact same effect as seen on the long-form birth certificate.