The fact Kolento IS in that losers bracket while an Italian made it to the final 8 and just started to play the game and was a substitute for 2 friends who were not even interested in participating says everything really.
Also everyone agrees that both Kolento and Tides are the two best players 24/7 in Hearthstone.
Tides even wanted a direct match at BlizzCon against Kolento. He didn't even qualify. And the others you mentioned are in the top 20 any way.
tldr:
without these STAR players at Blizzcon you might as well throw dice and declare a random winner between the 10K best players in the world.
That's not esports, that's a lottery.
Chances are that NO ONE of the 8 finalists will make it through the pre selections of the WC in 2015... just look at last year.
Compare this with the fabulous pre BlizzCon WOW Arena matches or the SC2 tournaments and you'll see that skill there is 90% and 10% luck. In HS it is the exact opposite.
HS constructed is not suited for tournament play, simple as that. As a stockholder I love it for its money making, but frankly it is the most terrible game Blizzard ever made AND they promoted it as an esports even.
It is nice to play it on the toilet with the iPAd in hand, but this "tournament" from a skill point of view... is simply silly.
And Blizzard knows it of course, or why do you think that laughing of Brode stopped instantly when Kolento lost...
If you can't create consistent "champs" in ANY sport, you will loose the interest of the masses in the long run.