This repeated Smoothie slanders by Oda made me think that Cracker might be stronger than Smoothie. King and Queen on Beast Pirates while it is Katakuri and Cracker on Big Mom Pirates.
What if Smoothie is equivalent to Jack. Smoothie and Jack keep taking L.
From portrayal Cracker is also better than Smoothie. Luffy who has defeated Doflamingo needed Nami's and homies help to defeat him. Most people think Smoothie is stronger than Cracker because she has higher bounty but Perospero has higher bounty than Snack, YC4.