I like to wrap a couple of black zip ties in a cris-cross pattern around that plastic connection. The factory cable has some plastic clips to hold that cable in place. If the clips let go, it can directly pull the throttle, and your engine can go to wide open throttle at a bad time.
It is a pure belts and suspenders backup safety plan. But I like redundant safety.
If the original four clips are tight and not broken you might be OK. On my cable the some of the clips are broken from age.