Gareth Bale has received plenty of stick, perhaps harshly, by his own fans at Real Madrid so far this season.Usually so imperious under Zinedine Zidane, Los Blancos haven't been able to find their best form since the new campaign kicked off and Bale has bore the brunt of the criticism.The former Tottenham star's current manager and teammates have been forced to defend, with Toni Kroos defiantly stating: “Whistling your own player sometimes happens, but Gareth doesn’t deserve it. Nobody does,” just last week.Well he responded to those doubters in perfect fashion on Tuesday night.Madrid took on Borussia Dortmund in a key Champions League group stage clash, knowing another disappointing outcome would result in even more pressure being put on the team.But anyone who saw the opening exchanges at Westfalenstadion wouldn't have been too surprised to see the visitors get the break through.Peter Bosz set up his side to play an extremely high defensive line. When you're playing against Cristiano Ronaldo and Gareth Bale that is just asking for trouble.Ronaldo had already spurned a couple of chances by the time Bale broke the deadlock in brutal fashion in the 18th minute.As you can see below, Dani Carvajal delivered a wonderful ball over the top of that aforementioned high line of Dortmund towards the Welshman.Even though Bale probably had enough space to take a touch and bring the ball down, he had the confidence and ability to let fly with a brilliantly controlled side-footed volley.That is top class.Will that be enough to get the critics off his back? Probably not.Twitter loved it too. Here are some of the best tweets: