I'm very sceptical about the game mode, before the event. I'm one of the few peoples, who actually watched and enjoyed the pro league, few years back, but I thought, in the real game, it's not going to be good.
Still, I joined a team, started to play, and surprised. I'm actually like it. I know, having players with rental tank, who never played Tier 10 before is not helping, but still I like better than the normal random battles.
What I like, I feel my own performance is actually make difference now. I have more control over the battle. One good flanking or sudden CAP, the right push, SPOT on the right place and moment. Can change the battle quickly. Every time we win a 1v1, it's big step towards the win.
I like the idea of the 4 teams as well. This makes feel, they are my mates more. You can't have a same guy as team mate in one battle, and opponent in the other.
The only thing is, I feel sorry for the players who plays rental tanks. They are greatly disadvantaged. I have hundreds of hours in my Tier 10s. Most of them is with 5-7 skill crews, and 4-5 of the bests with even purple equipments. Facing that prepared tanks with rentals can't be a pleasure…
Source: https://www.reddit.com/r/WorldofTanks/comments/ex2xdr/7_vs_7_im_actually_enjoying_it/