Arsenal manager Arsene Wenger welcomed the Football Association's decision to overturn Gabriel's red card at Chelsea but remains angry about events at Stamford Bridge.
The Brazilian centre-back was dismissed for kicking out at Chelsea forward Diego Costa during Saturday's ill-tempered Premier League clash.
However, on Tuesday, the FA announced it had accepted Arsenal's challenge to the decision, which was understood to be based on television evidence showing no actual contact between the players, and withdrawn the three-match suspension.
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Gabriel, though, still faces a separate charge of improper conduct for his reaction after being shown the red card by referee Mike Dean, while Arsenal were charged with failing to control their players and have until 6pm on Thursday to respond.
Following Wednesday night's Capital One Cup win at Tottenham, Wenger revealed he was still troubled by how events unfolded at the weekend.
"It just shows that they decided after the game what should have happened during the game," he said.
"They repair five-per-cent of the damage which has been done to us - instead of us playing 11 against ten, we played ten against 11.
"I have watched the game again, and it is better I don't talk too much because there are some things that were really surprising in this game, some incidents were really handled very lightly and not seriously, and it is better I don't talk too much because I am still angry about it.
"One or two situations in the game are very difficult to understand when you watch it again."
Chelsea have pronounced themselves "extremely disappointed" after Costa was handed a retrospective three-match ban for violent conduct following his clash with Arsenal defender Laurent Koscielny, which was missed by the officials on the day.
Wenger, though, hopes to now put the matter behind them.
"I am in a job where I sometimes have to swallow things that are not right, maybe our opponents do sometimes as well. I just have to focus on the next game," he said.
Gabriel could still face a suspension and fine from the FA should he be held to account for failing to leave the field of play immediately after being shown a red card.
Wenger added: "I said to you after the game that he should not have responded at all and I maintain that and I told him that, but when I saw it again, he did not do a lot, honestly.
"You want them just to have hopefully a fair judgement and we will accept what they decide. That's part of it."
"The FA will judge that situation and it is right. They cannot consider the whole context of the game.
"You want them to judge, they will decide and we will accept the decision, that is no problem."