I just don’t understand where I am supposed to practice before ranked?? Every game swift play or unrated people don’t try and hit me with the “ it’s just swift play” or it’s just unrated man why would I try?

I've been playing for about eight months now, strictly solo queue, strictly unrated. The main reason for this is I don't want to feel like I've let a team down when there's something on the line - I much preferred to play Unrated (or Spike...