I have to question myself if I agree w/ Mamoon, but his assessment at the time was correct. Haris was quick but not consistently effective.
However, (and this is why Mamoon’s posts are in bad faith), you have to judge a player over a big sample size. This doubly true for both young players and inexperienced ones like Rauf. The hope is always that through coaching and hard work, rough diamonds will develop and become better versions of themselves. And that Alhamdullillah is what Haris is. Today he is a better version of the bowler Mamoon mocked.
Thus I ask my fellow fans to keep the same positive energy with Haider Ali, Naseem Shah, Dahani and Hasnain. Each of these lads will suffer setbacks, go through rough patches of form and get smashed. However, if they continue to get game time (at whatever level is appropriate) and continue to work on their mistakes, they will also become better players.