Well Security at the Track must be poor for starters , i'm not sure what car they are in but i'm sure it does not look like a Track Car !
Secondly , this is the big problem with social media and youtube in that it causes these sort of things to happen . The "Jack" in this clip was mentioning the filming of it during the 3 odd minutes of the clip .
Thirdly the driver should be dealt with SEVERELY , but unlikely