3D printer solid lead screw coupler upgrade or downgrade? Banding ribbing ghosting experiment

I say this on Amazon and it made me curios, would this help banding or ribbing or would it make the printer worse by transfer more jerk into the prints.

Lead screw coupler on Amazon
https://www.amazon.com/gp/product/B073FDXHMG/ref=as_li_tl?ie=UTF8&tag=fintechcomm0f-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B073FDXHMG&linkId=a2a9b64085e29c8593b677f47b11e942