A lot of this outcry is a product of Hancock being put on a pedestal she didn't prove to ever be on. I can understand Coby being an absolute non factor to someone like Doflamingo even in a group setting, but people acting like she's somehow solidified herself to be placed there. I mean it's possible but it's not a given.
This would be as much a test for Hancock and where she belongs, as it is for Coby.
Having said that in a 1v1 I don't believe Coby has any business against even a standard Vice Admiral who Hancock should be stronger than to say the least. In a group effort it's possible he's grown enough to play a role.
Fodder pre timeskip Luffy even before he gained gears, with the plot on his side was taking down Shichibukai. Hancock isn't untouchable for the narrative.
If Hancock indeed got captured, so much for her "badass" reaction to her being stripped of her Warlord status. I hope she had something planned because that would just make her look like a donkey.
Not really, she does not have to be on Doflamingo´s level to be far too much for Coby.
What we have seen is she is portrayed as superior to the average VA (Momonga, could even be higher tier VA), which were used as hype tool for several different characters, from Doflamingo, to Sabo, to Oars Jr.
And you add to that one of the deadliest abilities we have seen, which it is even without a possible Awakening, and all three Haki colors.
So the least you have to put is > average VA, which is not DD level since he joyfully toyed with two of them pre-TS, but still far superior than Coby, so that´s not the problem, the problem is both overestimating what Coby´s growth rate entails, and what his role within the story actually is.
So you literally deny your first proposition yourself, the problem is not Hancock overestimation, since the least level she is is > VA, which is already out of reach for Coby.
Yep, Shichibukai the "narrative" painfully made apparent that they were broken, in a manga in which spirit, determination and the strength to believe in yourself is put above anything else.
Hancock does not belong to that group, neither did DD. So to be reasonable within that narrative, Oda would need to incorporate her slavery past in some way, which on the other hand might have drastically reduced her capabilities 2 years ago, but after Luffy literally declaring how insignificant her past is, even that is probably not a problem anymore.
I think she will get captured, which in turn will be a demonstration of the newly acquired power the WG now holds due to Vegapunk, since like i said, as long as said new power does not eclipse the Shichibukai significantly, there is no way they would forsake the Shichibukai system, nevermind what the Reverie decides.