The key points...which he mentions in the first minute...is that it's mostly about the writing and the arranging.
Something I've said to many of the folks who will show up asking about what type of old gear will help them get some sounds from the past...where they believe that it was mostly about vintage mics and tape decks, etc...but it was actually about the writing and arranging of the era, and you have to get into the mindset of the players and music of it.
Sure, gear can help, but as shown in the video, you generally don't need a pile of vintage gear to recreate a sound, a feeling of a particular time or style of music.