That's fair as far as I guess there is no consensus. You posted alot of links that don't really point to any definitive conclusion.
Look at your data. It doesn't correlate with the Index in any way. The Index had a very pronounce peak in 2008.
This link > https://research.stlouisfed.org/fred2/series/TCU/
was on a huge downward trend staring in 2007
I agree there is alot of room for interpretation, but I'm very happy to stand behind and put my money behind my assertion that the Baltic Index isn't a useful indicator anymore.
But I do appreciate the opposing view point!