I intended to watch it but I was too busy. I've just watched it. It looks like sophistry to me; there are a lot of points that your video didn't cover. Here's what your video analyzed so the viewers can decide for themselves.and ignored my video
http://hugequestions.com/Eric/TFC/FromOthers/Paul-McCartney-Italian.html
https://digilander.libero.it/jamespaul/fc1.html
I'd always thought that the "Paul is dead" rumor was a publicity stunt until I saw a link to the theory on this site.
http://hugequestions.com/Eric/
That guy is a serious truth-seeker and only puts serious stuff on his website.
http://hugequestions.com/Eric/Paul-McCartney.html
There are lots of documentaries on the internet about this. Some look suspicioiusly like they were planted by the opposition to make the investigators look silly as they contain some silly stuff and some look serious. Here's another one. This guy seems like he's got good intentions.
Who is Paul McCartney?
I think the comparison in post #31 makes it pretty clear that there were two Pauls. There's also the issue of the different eye color (post #37).