Whilst what you did was probably not in the spirit of the game, it was certainly not outside the rules. This certainly isn't the first example of that - e.g. bots mining daily quest rewards when packs were on offer - and I would be absolutely shocked if there hadn't been examples of players forfeiting battles against their alt accounts anyway.
You've taken on board the feedback provided and learned from your mistake so it's time for everyone to move on. It is, after all, only a game.
To borrow from one of my daughter's favourite Disney films, it's time to.....
Yes you are right but I can not criticize others' blame, because I have made the mistake but I can give my best in the game and I will do what I need to do for game, btw thanks @sparkesy43