That's a great video but charlie, good as his intentions are, is missing two things that make understanding the Revelation quite elusive.
1.A revelation by Jesus Christ, which God gave him, to show his servants the things that must shortly take place. And he sent forth his angel and presented [it] in signs through him to his servant John,  who bore witness to the word God gave and to the witness Jesus Christ gave, even to all the things he saw.  Happy is he who reads aloud and those who hear the words of this prophecy, and who observe the things written in it; for the appointed time is near.
John to the seven congregations that are in the [district of] Asia:

Since Jesus ascended, who did he appoint to take his place as congregation instructor?
"Who really is the faithful and discreet slave whom his master appointed over his domestics, to give them their food at the proper time?  Happy is that slave if his master on arriving finds him doing so. Truly I say to YOU, He will appoint him over all his belongings." Mt24:45

Aside from Jehovah's provision for bible education, nothing will be learned.