The buffer would (maybe) not fill again, because the overflow containers were stored on chassis. The problem was that we needed buffer space and converted transport to buffer space - and then we didn't have enough transport, so we needed more buffer space. Cue ominous feedback loop music.
This should free up transportation space, so we can unload more ships, so we can load containers on them and ship them back. Is it the only problem in the supply chain? Probably not. Will it make things better? Definitely in the short term, and probably in the long term.
At the very least it buys a respite to think about further fixes.
