You dont have to use both, but you can
Thing about 2k is that controls are layered, but you do need to practice and once you get the timing and momentum down it'll click
Just try moves with the left stick, then do the same with the right...and lay off the Spring button too
Check out Scott OG's video on his OG Film Room channel. It'll help you a ton with the left stick stuff.
I know you dont wanna watch videos but do you want to learn?
C'mon guys