A TikTok video showing “grim” conditions in a McDonald’s kitchen has gone viral with 1.2 million views. The fast-food chain has hit back after its Roadchef branch at the M20 Junction 8 Maidstone services looked to be extremely messy. A video by @krystianmxson shows food and packaging on the floor while staff appear to carry on working. The TikTokker captioned the post: “McDonald’s at the Maidstone M20 services looking grim can’t lie.” It was uploaded last Tuesday (August 13) and has since racked up 1.2 million views and 42.2k likes. One person said: “Wow I am lost for words I would not be orde…