Its as almost you attack them personally if you have a different opinion of one of their cricketers.
We have one chap now trying to respond by bringing up Yadav v Steyn in one world cup. You dont compare those two full stop! Amir and Bumrah are the best bowlers for their nation and are playing right now in the biggest tournament, Bumrah is supposed to be in better form but Amir is outbowling him by a distance.
Amir at his best would be chose over Bumrah at his best in any playing XI. Amir has better skills, it's a simple as this. Bumrah cannot swing the ball anywhere near the standard of Amir, with the new and old ball.
Bumrah's action is his asset, and sooner or later, teams will figure him out. I remember when Saqlain was a beast with his doosra, and lo and behold, once batsman twigged him, he was not as potent as he was. Who knows, but this has been the trends and the best of the best, keep the batsmen guessing in their bowling careers.
What I find more interesting is that many of the so called/self proclaimed oracles of cricket on PP have zero clue. Their assessment relies on nothing but stats when the more discerning followers know that stats are not everything.
A common small print:
Past performance is not an indicator of future performance
This holds true not only in investments, but in sports too. What people fail to realize is that players/teams are only as good as their last performance and there is no guarantee that they will perform in the future. Case in point, the WC.
The WC is a different ball game; different pressure, different dynamics, different stake. Pressure can bring out the worst/best in players/teams. What matters is the performance in the world cup which is why a team having lost the previous 20 ODIs can win the WC because all that matters is the performance in 9 to 11 games. If a bowler has been ineffective in the past 2 years, doesn't matter, what matters is his performance in 9 to 11 games. Conversely a bowler can be successful before the WC, but not fire in 9-11 games. Same goes for a batsman.
It's all about there here and now, and right now, in terms of bowling, Amir is absolutely spot on. Some will say he is defying all odds, but the reality is Amir has more talent than any bowler, and ICC tournaments bring out the best in him. Those 3 deliveries in CT17 final are still talked about on The Times, Telegraph, and The Guardian - because that's all it takes, a few deliveries to cement a legend. No one is going to remember Bumrah's/Amirs stats, but their deliveries in tournaments will be remembered forever.
Amir > DAYLIGHT > Bumrah - in ICC tournaments.
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.. Leading wicket taker when game is already over and batsmen gift wickets slogging for more runs. Team crashes out in group stage. Yea club level really 
