And Airy For Mac seems to be the perfect tool to do this.
https://www.airy-youtube-downloader.com/download-mac.html
Its only $3 for a single license though I prefer the family license at $35
so I may use Airy on multiple Mac machines.
The Interface is incredibly accessible, useable and straight
Thanks to all those who responded to my original eMail.
It seems that those who use a Mac are well catered for when it comes to
capturing/downloading content from Video Web Sites.
I described the Airy App in my original eMail. It seems there is a better App
available called Downie at