Riot Fix Lee Sin R bug

this video is from a year ago but this bug still happens to me alot of the times and its quite frustrating , even tho i have no proof that this bug happen to me before theres that guy video , this bug is in league of legends for a really long time and it still has not been fix , it is really just really frustrating i really hope riot fix this soon, i´ve lose rankeds because of this , i would kick a tank into their adc and boom the tank goes straight through the adc without doing damage and knocking him up .. feels bad man