Aside from maintaining enough distance to not get hit, closing the distance against a blunt weapon is the best option. Moving into a clinch removes most of the advantages for the weapon.
Conversely, stepping away keeps you at the effective range which is very bad. The victim here was slow to respond and took a lot of damage, but ended up in a better position toward the end of the video where it ends without a satisfying conclusion. The aggressor even threw away the stick when he realised that it may now be used against him.