1. It can just be rng, you get some shards in the begining for free, so he might just be lucky 

Or

2. He is just casher, if it's rly youtuber, he probably spend some  moeny plus you have to add the fact that they decided to sponsor those youtubers, so that's another recources for packs and thus more summoning 

i saw a youtuber lv 25 with 2 legendaries lv 6 full stars and 2 legendaries lv 5 full stars too, like 110 000 power at lv 25

With cash its possible. Wouldn't have to grind as much just spend a lot on shards and use what you don't need as food. There are plenty of spreadsheets out there detailing good units. Could have eaten all the bad units to rank up the good ones.

While in the arena I just saw a custom YouTube profile. He was lvl 27 with a team of one lvl 60 legendary and 3 lvl 50 epic champs, all fully ascended and had 60k power. I haven’t done the math here but I highly doubt it’s possible to get a team like that at lvl 27.

This is another mistake to shove this in the rest of our faces.

i wouldnt call it favoritism because most of these youtubers dont really play. some of them show case these champions on their channels so they get really good ones. ya its a bit frustrating but a youtuber is what brought me to this game so it makes sense they get good items to showcase. no one wants to see the 3 star and lower they want to see the mighty and epic one shotters.  

They give free stuff to people when they are paying them to promote the game. It'd make a crappy promotion video if they had the starter champ and that's it. 

I'm not sure how it is possible even with cash.  I focused one a single 60, and did not get there until my level was 35+.  You would have to sacrifice a lot epic food to get there below player level 30.

Hello all! This Influencers Tournament is one of the activities that we are trying out to see how it may influence the development of the game. As you have noticed, you have an opportunity to fight against one of our official Youtube representatives in almost every refresh on the arena and earn Medals for that, in case of victory. We are going to be collecting players' feedback and assessing the results of the Tournament to see how it went down in the end. Thank you for participation :)