Because Baratie is an arc where Sanji gets his fiery dream reignited after meeting Luffy and Zoro.
It's not about "giving up".
It's about "getting back up".
But apparently pre-ts east blue saga writing it's too complex for you lot.
Considering that Luffy almost gave everything up post marineford and Jimbo had to "bring him back" to his senses, I would say that Sanji isn't alone in this.
But keep us entertained with the "OMG TURN DOWN FOR WHAT BASED" abilities of someone who can't even grasp something as basic as that.