That, and the video was really interested and explains the question I was going to ask about brace shape compared to the triangles in my acoustic.
Im quite lucky, I sold a takamini acoustic I had and then missed it - found a eBay advert for an unbranded guitar local to me, and based on one photo of the binding and the quality of Ebony used in the fretboard bought it... when I went to pick it up it’s a beautiful hand built early Martin om clone made by someone semi famous - and sound absolutely beautiful - it’s resonant and alive - and that videos just told me why!