What we have here is correlation vs causation. Velocity has a positive relationship with elbow torque. Elbow torque is the direct cause of elbow injury. So velocity is correlated with TJS, and any study will find that pitchers who throw harder will be more likely to have TJS.
Because Carrasco throws harder it is more likely that his elbow is under more torque during his pitching motion, but we don't know for sure.
Plagiarism:
The Holy Grail of mechanical pitching instruction is to get your pitchers throwing harder without increasing their injury risk. Is it even possible, though?
Should teams want durable pitchers, or dominant pitchers? At what level of velocity does the injury risk start to mitigate the increased performance?
What are the effects of weighted ball programs, long-toss, etc.?
I wish I worked as a baseball biomechanics analyst.