Though either way I still think it was Caribou taking him to safety, at least to get another ride
I was thinkin maybe it's him and bbp wanting to kidnap Luffy but they wouldn't have fed him if they were imo
Aye pragmatically, it makes sense for Caribou to help Luffy like he did at Wano, hes seen Luffys track record and thus momumental, record, unheard of succeess, hes an absolute pioneer, one of a kind and Caribou knows he will be safe if he sticks with him and stays in his good books.
With all the 100 Marine ships and thus all the VAs, Saturn, Kizaru, CP0, whatever else, this is the smartest option for him, he can definitely trust the SHs far more than the BBP too. Unless he is working for the BBP but as you said, it wouldn't make sense for the BBP to feed Luffy unless Lafitte or BB has some kind of master plan that needs Luffy healthy and thus ideally alive at least too?
Idk why Oda is still keeping us in the dark with the BBP and Caribou this whole time but they're gonna do something major sooner or later definitely, its just a matter of when but the wait is purely agonising now lol.
All this missed potential with Devon and Lafitte causing HELL with the Among Us/traitor storyline we had earlier on and also all the chaos of the Buster Call on steroids and Saturn and Kizaru running rampage on Egghead atm, it's extremely strange to not see the BBP taking full advantage of this right now, especally as they relish in causing and being part of anarchy ofc.