I know lots of people recommend bike fits, and lots of people say it helps, so go for it. And either you have full range of motion in your joint movement, or you don’t. Changing the bike fit won’t give you full range of motion, as by definition, you don’t have range of motion in the particular setup of the bike that causes pain (which is why I can’t consider bike fit as the root cause). I’d rather hunt for and resolve whatever is causing the pain in that particular setup of the bike so that I have full range of motion. This way my body can handle more scenarios and I don’t have to worry about my seat’s precise positioning (dropper post).