Wouldn't that be a solution to the never-ending objections saying that Jupiter cannot be used as a resources for various gases because that gravity sink would u

Wouldn't that be a solution to the never-ending objections saying that Jupiter cannot be used as a resources for various gases because that gravity sink would use too much fuel to leave? As the spacecraft launcher can be station-powered the whole time of the acceleration, there is no more any worry about fuel mass, isn't it...